Question

if
$m = x + \frac{1}{x} \: \:and \: n = x - \frac{1}{ x} then \: {m}^{2} - {n}^{2} = ?$
expansion formula​

Answer 1

Answer:

sidha sidha mujhe nahi aata

Answer 2

Answer:

bhai tu bhi to yaha faltu te jawab dene aata he