De-moivre's Theorem | Short Trick To Find n-nth Roots Of Unity | Short Revision Of Complex Numbers

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Dr.Gajendra Purohit - GATE / IIT JAM / CSIR NET

Dr.Gajendra Purohit - GATE / IIT JAM / CSIR NET

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This video lecture of De-moivre's Theorem | Short Trick To Find n-nth Roots Of Unity | Short Revision Of Complex Numbers | GP Sir | Problems & Concepts by GP Sir will help Engineering and Basic Science students to understand following topic of Mathematics:
1. What is De-moivre's Theorem ?
2. What is n-nth Roots Of Unity?
3. How to To Find n-nth Roots Of Unity
4. Revision Of Complex Numbers
#Complexumbers #De-moivre'sTheorem #roots #EngineeringMahemaics #BSCMaths #GATE #IITJAM #CSIRNET
This Concept is very important in Engineering & Basic Science Students. This video is very useful for B.Sc./B.Tech students also preparing NET, GATE and IIT-JAM Aspirants.
Find Online Engineering Math 2019 Online Solutions Of Triple Integral | Dirichlet Integral | Integral Calculus | Multivariable Calculus | GP Sir | Problems & Concepts by GP Sir (Gajendra Purohit)
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Time Stamp
0:00 - An introduction
0:28 - Statement of De-moivre theorem
1:17 - Example 1
4:25 - Example 2
7:11 - Example 3
9:22 - Example 4
11:15 - Example 5
12:14 - Example 6
12:49 - Q1. answer asked in Comment box
13:18 - Detailed about old videos
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Dr.Gajendra Purohit

Пікірлер: 91
@shokatalikhanbmr
@shokatalikhanbmr Жыл бұрын
sir enjoy listening to your short videos and listen these short videos anywhere,thanks . Our prayers will always be with you. okay sir
@ankitakhan6221
@ankitakhan6221 2 жыл бұрын
ans is option d.. thank you sir🙏🙏
@ariseyourself
@ariseyourself 2 жыл бұрын
Sir 100 comments completed on your iit jam book video but you don't release the book release date plss reply sir ❤️❤️
@mathsmantra-f6j
@mathsmantra-f6j 2 жыл бұрын
The great concept and useful video sir
@Crazy-Cricket_11
@Crazy-Cricket_11 2 ай бұрын
question are short but very helpful
@iitbombaychalle
@iitbombaychalle 2 жыл бұрын
Thank you so much ❤️❤️❤️
@UECAshutoshKumar
@UECAshutoshKumar 2 жыл бұрын
Thank you sir ❤️
@bhavishyagoyal5483
@bhavishyagoyal5483 2 жыл бұрын
Sir please make a detailed video on Triangle inequalities (Complex numbers) for GATE (Chemical).
@bishambuthyal56
@bishambuthyal56 2 жыл бұрын
Thanku sir ❤️
@lordadgamer1129
@lordadgamer1129 11 ай бұрын
Thanks a lot sir❤💙
@gulshanpatel2923
@gulshanpatel2923 2 жыл бұрын
I want more videos on this topic sir।
@sudhirsiloriya655
@sudhirsiloriya655 2 жыл бұрын
Your way of explanation is too good sir.
@PriyadarshaniKumari1234
@PriyadarshaniKumari1234 11 ай бұрын
Sir detailed video dijiye n is topic ke uper
@mianyousafali4659
@mianyousafali4659 2 жыл бұрын
Thank you sir
@nizamkhan7937
@nizamkhan7937 Жыл бұрын
Thank you sir❤❤❤❤
@rekhachagti2436
@rekhachagti2436 2 жыл бұрын
Sir plz upload all other topics also
@anjaliverma2980
@anjaliverma2980 2 жыл бұрын
Good evening sir Thanku so much
@RajKumar-zb4ny
@RajKumar-zb4ny 5 ай бұрын
Love you sir ❤❤
@liladharsahu3494
@liladharsahu3494 9 ай бұрын
Option D Sir apne itne achhe se explain kiya ki saval to dekhte hi samjh aa gya ki option d hoga Pen copy chalane ki jarurat hi nahi
@devotionalcreations288
@devotionalcreations288 2 жыл бұрын
🔥👌👌👌🤗
@kasapavan6844
@kasapavan6844 2 жыл бұрын
Option d is answer for home work question
@rupankarchatterjee1309
@rupankarchatterjee1309 2 жыл бұрын
Answer of the last question is option b
@shreyamaurya4157
@shreyamaurya4157 2 жыл бұрын
Option d is correct option
@shanu9693
@shanu9693 Ай бұрын
B option
@KhushiKumari-dz1ii
@KhushiKumari-dz1ii 10 ай бұрын
Sir higher trigonometry ka pura Topic padhaiye bsc maths ke students ke liye
@VikashKumar-mv8no
@VikashKumar-mv8no 2 жыл бұрын
Gregory series ka video bhi upload karie sir
@anshuhitsongs1850
@anshuhitsongs1850 2 жыл бұрын
Sir complate de moivre'S theorem upload kriye 🙏🙏🙏plzz
@purnendushukla8463
@purnendushukla8463 2 жыл бұрын
Sir it it necessary to find all the values instead of keeping it as a complex form? - I asked because in books they keep as it is - Currently In BSc maths - First Year
@PriyankaSharma-kq1ii
@PriyankaSharma-kq1ii 8 ай бұрын
Sir thoda basic formula bhi btaya karo 💯
@dronamrajuchanda3262
@dronamrajuchanda3262 2 жыл бұрын
ans b thank you sir
@shokatalikhanbmr
@shokatalikhanbmr Жыл бұрын
D is correct 💯
@durgeshawana6151
@durgeshawana6151 Жыл бұрын
Option D sir ❤
@pranali___29
@pranali___29 5 ай бұрын
Sir engineering mathematics 2 complex number. real and imaginary part of hyperbolic and circular function dalo please sir.. 🙏🏻
@VikashKumar-mv8no
@VikashKumar-mv8no 2 жыл бұрын
Alternating series
@karthikmishra75
@karthikmishra75 2 жыл бұрын
Option d is correct
@honeyguptaji8026
@honeyguptaji8026 2 жыл бұрын
Option d 🙏🏻 N=6 C= cos(13π/7)+isin(13π/7)😁
@Harshsingh-xn3od
@Harshsingh-xn3od 2 жыл бұрын
Galat h
@honeyguptaji8026
@honeyguptaji8026 2 жыл бұрын
@@Harshsingh-xn3od explain
@S0M_DUBEY
@S0M_DUBEY 10 ай бұрын
Cis12π/7
@mrinmayroy3024
@mrinmayroy3024 8 ай бұрын
wrong
@mrinmayroy3024
@mrinmayroy3024 8 ай бұрын
​@@honeyguptaji8026vai sab kitne din par main is vdo dekh rah huin
@abulbasar4431
@abulbasar4431 2 жыл бұрын
Short trick bataiye sir.
@archinathalay1317
@archinathalay1317 2 жыл бұрын
Option d answer is The last question
@ajsdbhdhshbdb
@ajsdbhdhshbdb Жыл бұрын
option d am i correct?
@animeshsingh6065
@animeshsingh6065 2 жыл бұрын
option B
@salmanmuzammal9140
@salmanmuzammal9140 2 жыл бұрын
sir demorvies theorem m n irrational ho skata ha?
@umcscince
@umcscince Жыл бұрын
No
@rituparna7059
@rituparna7059 Жыл бұрын
D. No of the above
@anilbehera2792
@anilbehera2792 2 жыл бұрын
Sir iit jam ki book kab release hoga please make a video
@Vishal4578
@Vishal4578 2 жыл бұрын
Yes iss baare me bataeye Ab aur intzaar nahi hota🔥🔥
@dhurbamahato
@dhurbamahato 2 жыл бұрын
sir aap se thori si mistake ho gai😁 waha pe (-1)^1/n hota or apne (-1)^n likh diya 🙏
@dhurbamahato
@dhurbamahato 2 жыл бұрын
par samajh me aa gaya thank you ❤🙏
@SmritikanaPaul-vs5jn
@SmritikanaPaul-vs5jn 4 ай бұрын
Option D is correct
@sushmayadav3149
@sushmayadav3149 2 ай бұрын
r=3,4,5... Aage tak put nhi kar sakte kya
@Study-pi8gf
@Study-pi8gf 2 ай бұрын
Nhi Bhai only 3 tk.
@DeepakMaurya-vp1qr
@DeepakMaurya-vp1qr Жыл бұрын
Ans- d
@Villagerboys2.0
@Villagerboys2.0 4 ай бұрын
Sir itni jaldi kisliye hoti hai please thora slow padhaya karo
@amanbhagwani6937
@amanbhagwani6937 2 жыл бұрын
B hoga sir
@arifwani5402
@arifwani5402 Жыл бұрын
B.... At x=1.
@surajofficial059
@surajofficial059 Жыл бұрын
jo main tha wahi part dhang sai nahi bataya kuch samaj he nahi aaya
@prithvirajsingh4681
@prithvirajsingh4681 2 ай бұрын
Konsa part bhai
@SKREJAULHASSAN
@SKREJAULHASSAN Жыл бұрын
Ans B
@mdmasudulhasan1790
@mdmasudulhasan1790 2 жыл бұрын
B 2 sec
@nandkishor126
@nandkishor126 11 ай бұрын
Option [D]
@ayushmishra4379
@ayushmishra4379 Жыл бұрын
OPTION D IS RIGHT ANSWER
@Ajay-wg1we
@Ajay-wg1we 3 ай бұрын
D is the correct answer
@kunalyadav9942
@kunalyadav9942 7 ай бұрын
Ans is option d
@RiteshKumar-ix7tc
@RiteshKumar-ix7tc 2 жыл бұрын
D
@PriyankaSharma-kq1ii
@PriyankaSharma-kq1ii 8 ай бұрын
Sir 2r+1 keha se aa rha hai ???
@arjungupta3899
@arjungupta3899 2 ай бұрын
are sir ham kuch nahi jaante hai thoda detail me bataya kariye kaha se kya aaya 😒😔
@mdakashsk788
@mdakashsk788 Жыл бұрын
b
@VikashKumar-mv8no
@VikashKumar-mv8no 2 жыл бұрын
B
@gajendrakumar6513
@gajendrakumar6513 2 жыл бұрын
Or questions
@bikramhazarika6060
@bikramhazarika6060 2 жыл бұрын
10 sec lge option 2
@BISWAJITDAS-oy3pj
@BISWAJITDAS-oy3pj Жыл бұрын
Correct answer is d.
@satyamkumaer856
@satyamkumaer856 6 ай бұрын
Sir Ans is B.
@2focus342
@2focus342 5 ай бұрын
You can also visit njs academy for physics video
@mdakashsk788
@mdakashsk788 Жыл бұрын
2 sec
@okworld.____2187
@okworld.____2187 Жыл бұрын
disclaimer: i may be wrong. but sir, i feel fourth root of unity is -i,i,1 and -1 since cos 2nπ + isin2nπ is the angle whereby cos becomes 1 that is the desired value. however, youve taken some other angle. ( deepest apologies in case my working's wrong, sir. the intent is just to clarify my doubt.) thankyou!
@okworld.____2187
@okworld.____2187 Жыл бұрын
oh extremely sorry i considered x to the power 4 equals 1 . thankyou for such a detailed explanation sir!
@dxantlies
@dxantlies 7 ай бұрын
What course r u doing
@bibhurawat8167
@bibhurawat8167 2 жыл бұрын
Kisi ka ye aaya ha kya, batao
@mehboobmiya6784
@mehboobmiya6784 2 жыл бұрын
Why sir, your channel not growing? I really sad 😥
@user-fi3jz2op5u
@user-fi3jz2op5u 10 ай бұрын
bhn ke lnd tu smja hme rha haii ki khud ques. kr rha haii
@rawat1747
@rawat1747 10 ай бұрын
thank you so much sir
@user-ql4vu3ei2k
@user-ql4vu3ei2k 2 ай бұрын
Option d is correct
@chandranshusingh2955
@chandranshusingh2955 Жыл бұрын
D
@mrinmayroy3024
@mrinmayroy3024 8 ай бұрын
D
@gauravsingh3358
@gauravsingh3358 4 ай бұрын
D
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