Question

The value of b for which x²+5xb is divisible by 1-5x

Answer 1

Answer:

A.T.Q

1-5x=0

or, x=1/5

assume, f(x)=x²+5xb

or, f(1/5)=(1/5)²+5(1/5)b=0

or, 1/25 +b=0

or, b=(-1/25)

ans,if b=(-1/25) then x²+5xb will be divisble by 1-5x