If \( (x+i y)^{1 / 3}=a+b i \), then prove that \( 4\left(a^{2}-b^{2}\right)=\frac{x}{a}+\frac{y...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=9vS6IUvSikM


Duration: 4:24
2 views
0

If \( (x+i y)^{1 / 3}=a+b i \), then prove that \( 4\left(a^{2}-b^{2}\right)=\frac{x}{a}+\frac{y}{b} \).
(W)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-01The number of ways of choosing a committee of 2 women \& 3 men from 5 women \& 6 men, if Mr. A r...
2022-12-01Two classrooms A and B having capacity of 25 and \( (n-25) \) seats respectively. \( A_{n} \) de...
2022-12-01त्रिकोणमितीय सारणी का बिना प्रयोग किए, सिद्ध कीजिए \[ \sin ^{2} 32^{\circ}+\sin ^{2} 58^{\circ}=1 \]
2022-12-01There are 10 straight lines in a plane, such that no 3 are concurrent and no 2 are parallel to e...
2022-12-01There are \( \mathrm{m} \) points on a straight line \( \mathrm{AB} \& \mathrm{n} \) points on t...
2022-12-01Error While Mathpix
2022-12-01A committee of 5 is to be chosen from a group of 9 people. Number of ways in which it can be for...
2022-12-01Error While Mathpix
2022-12-01Consider a complex number \( w=\frac{z-i}{2 z+1} \), where \( z=x+ \) iy and \( x, y \in R \). P...
2022-12-01Consider a complex number \( w=\frac{z-i}{2 z+1} \), where \( z=x+ \) iy and \( x, y \in R \). P...
2022-12-01If \( (x+i y)^{1 / 3}=a+b i \), then prove that \( 4\left(a^{2}-b^{2}\right)=\frac{x}{a}+\frac{y...
2022-12-01If \( \mathrm{a} \& \mathrm{~b} \) are real numbers between \( 0 \& 1 \) such that the points \(...
2022-12-01For what real values of \( \mathrm{x} \& \mathrm{y} \) are the numbers \( -3+i \mathrm{x}^{2} \m...
2022-12-01\( \mathrm{CO} \) मनुष्य के लिए किस प्रकार हानिकारक है?
2022-12-01The value of \( \sin \frac{\pi}{14} \sin \frac{3 \pi}{14} \sin \frac{5 \pi}{14} \) is :- W (A) \...
2022-12-01Which of the following is/are correct statement(s) : (A) The number of structural isomers for mo...
2022-12-01Maximum and minimum value of \( 2 \sin ^{2} \theta-3 \sin \theta+2 \) is - (W) (A) \( \frac{1}{4...
2022-12-01If \( \mathrm{A}=\sin \frac{2 \pi}{7}+\sin \frac{4 \pi}{7}+\sin \frac{8 \pi}{7} \) and \( \mathr...
2022-12-01कुछ भौतिक प्रदूषणों के नाम लिखिए।
2022-12-01If \( x+y=3-\cos 4 \theta \) and \( x-y=4 \sin 2 \theta \) then (A) \( x^{4}+y^{4}=9 \) (B) \( \...
2022-12-01The expression \( \frac{\sin 8 \theta \cos \theta-\sin 6 \theta \cos 3 \theta}{\cos 2 \theta \co...