Question

If ab = 5 and a² + b² = 26, then what is the value of a⁴ - b⁴?
यदि ab = 5 और a² + b² = 26, तो a⁴ - b⁴ का मान क्या है?

Solve Fast Please...​

Answer 1

It is easy Peasy
(a-b)^2=a^2+b^2-2ab
Therefore, 26-2*5
(a-b)2=16
a-b=4
Now,
a4-b4= (4)^4
256 is the answer