a+b=0 ab=25 then the value of a-b is ??
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krishan12345mohan:
can you tell me from where this two times -50 came
Yes, Why Not ?
so tell
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1
Answer:
a+b=0
ab=25
the value of (a+b) ^2 =0^2
a^2+2ab+b^2=0
then value of a-b is =
(a-b)^2 =a^2 - 2ab +b^2
= a^2+b^2 -2*25
=0-50
=50
underroot 50 =5 underroot 2
hope it will help you
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