Question

if a-b =5, a+b=7, find (i) a²+b² (ii) ab​

Answer 1

hopes it helps you Plz comment

Answer 2

Answer:

a+b=7-----(i)

a-b=5-----(ii)

Pie through the removal method,

a+b=7

a-b=5

Add,2a=12(b plus and minus cancel out)

.:a=6

By putting value of a=6

6+b=7

.:b=1

(i)a²+b²=36+1=37

(ii)ab=6×1=6

This is your answer.

I already gave you this answer in your previous question.But for your convenience I again give.