A+b=180,also a-b=80.find a2
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Answered by
3
on adding equations
2a = 260
a = 130
a"2 = 16900
2a = 260
a = 130
a"2 = 16900
Answered by
2
a+b=180 .....(1)
a - b=80 ......(2)
add equation (1) & (2)
2a = 260
a = 130
then
a^2 = 130×130
= 16900
#hope it can help you
a - b=80 ......(2)
add equation (1) & (2)
2a = 260
a = 130
then
a^2 = 130×130
= 16900
#hope it can help you
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