0

Guest

Courses New

Find all the possible values of x, y x, y not equal to zero such that sec 2 A = 4xy/(x+y)^2

Find all the possible values of x, y
x, y not equal to zero such that
sec2A = 4xy/(x+y)^2

Grade:11

1 Answers

Jitender Singh IIT Delhi
askIITians Faculty 158 Points
9 years ago
Ans:Hello student, please find answer to your question
sec^{2}A = \frac{4xy}{(x+y)^{2}}
sec^{2}A \geq 1
\frac{4xy}{(x+y)^{2}}\geq 1
4xy\geq (x+y)^{2}
(x+y)^{2}-4xy \leq 0
(x-y)^{2} \leq 0
Only solution is
x = y
x, y\in R - (0)

Think You Can Provide A Better Answer ?

Other Related Questions on Trigonometry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More