Question

a) y a tb.
3
3 and ab = 2 find
the value of
a² +b²​

Answer 1

Step-by-step explanation:

ANSWER

a

2

+b

2

=85,ab=2

(a−b)

2

=a

2

+b

2

−2ab

=85−2(2)

=85−4

=81

∴a−b=9