If a - b = 4 and a + b = 6; find :
(i) a2 + 62
(ii) ab
Answers
Answered by
5
Explanation:
a-b = 4
a+ b = 6
2a =10
a = 10/2
a = 5
a+b = 6
5+b = 6
b = 6-5
b = 1
A2 + b2
(5)^2 + (1)^2
25+1
=26
ab
= 5×1
=5
Similar questions