Question

If a=12 and ab=-6 then evaluate a²+b²maths

Answer 1

Answer:

144.25

Explanation:

a=12

ab=-6

12b=-6

b= - 1/2

a^2+b^2 = 12^2 + (-0.5)^2

=144+0.25

=144.25

Answer 2

Answer:

180

Explanation:

the reason is because :

$a ^{2} + b ^{2} \\a = 12 \: \\ b = 6 \\ 12 ^{2} + 6 ^{2} = 144 + 36 \\ = 180$

hope it helps you