17. If 2(a +62) = (a+b)2, then show that a= b
Answers
Answered by
5
Answer:
LHS:
=2(a+62)
=2a+142
RHS:
=(a+b)2
=2b+2a
》2a+142=2b+2a
》2a+2a+2b=142
》4a+2b=142
》6ab=142
》ab=142/6
》ab=23.6
:- a=23.6
:- b=23.6
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Answered by
2
2a+2
The question is not correct
It must be 2(a^2+b^2)=(a+b)^2
Then 2a^2+2b^2=a^2+2ab+b^2
So (a-b)^2=0
And a=b
The question is not correct
It must be 2(a^2+b^2)=(a+b)^2
Then 2a^2+2b^2=a^2+2ab+b^2
So (a-b)^2=0
And a=b
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