Question

If ab = 6 and a + b = 5 then the value of (a2 + b2) is​

Answer 1

Answer:

13

Step-by-step explanation:

(a+b)

2

=a

2

+b

2

+2ab

=>a

2

+b

2

=(a+b)

2

−2ab

Given, a+b=5 and ab=6

So, a

2

+b

2

=(a+b)

2

−2ab=5

2

−2×6=25−12=13

Answer 2

Step-by-step explanation:

given

a×b=6

a+b=5

so

a=2

b=3

now,

a²+b²=2²+3²

=4+9

=13

so the required answer is 13

hope it will help you