Question

(a^2+b^2)/(a-b)^2 where a=4 find b?

Answer 1

Answer:

4/3

Step-by-step explanation:

=>(a2-b2)/(a-b)2=2

=>(a-b)(a+b)/(a-b)2=2

=>(a+b)/(a-b)=2

substitute a=4,

=>(4+b)/(4-b)=2

=>4+b=2(4-b)

=>4+b=8-2b

=>3b=8-4

=>b=4/3