Question

how it comes please tell​

Answer 1

Step-by-step explanation:

Dekho is questions ko aise solve krte...

agar nhi smjha toh mujhe puchna mat

..

$f(x - \frac{1}{x}) = {x}^{2} + \frac{1}{{x}^{2}}$

toh agar hum isse sinplify krte hai toh apun ko yeh milega..

toh pehli apun L. H. S ka whole square kr dete hai

${x - \frac{1}{x}}^{2} = {x}^{2} - 2 + \frac{1}{{x}^{2}}$

toh hame pata chla ki yaha 2 add hua hai

toh A) option correct hai

Dekha talont.....

Answer 2

Answer:

Option a is the correct answer