Question

If a-b=0.9 and ab =0.36 find a+b and a2b2

Answer 1

Answer:

If a=0.12 and b=0.3 then,

a-b=0.12-0.13

a-b=0.9

ab=(0.12)(0.3)

=0.36

a+b=0.12+0.3

=0.15

a2b2=(0. 12)(2)(0.3)(2)

=0.144