Question

if (a+b) = 2 and (a-b) = 10 , so find the value of i) (a+b). ii) (a^2 - b^2)​

Answer 1

Answer:

i) 2

ii) 20

Explanation:

Hope this help you

Answer 2

Answer:

9

Explanation:

Formula (a−b)

2

=a

2

+b

2

−2ab

Given, a

2

+b

2

=29 and ab=10

So, (a−b)

2

=a

2

+b

2

−2ab=29−2×10=29−20=9

=>a−b=

9

=3