Question

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

A) 2 B) 16 C) 32 D) 64

Answer 1

Answer:

the correct answer is 32

Answer 2

Answer:

put a=1 & b=1

then we get

1^4+1 = 1^2/1^2(4*1^2-1^4-1)

1+1=1/1(4-1-1)

2=2

hence the equation is satisfied

now

1^4+1^4

=2 Ans.