If (a-b)=13and ab=9 find( a+b)2
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(a + b)^2 = (a-b)^2 + 4ab = 169+36 = 205
jenish3:
this is for my assignment thank u
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Answered by
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(a-b)^2=(a+b)^2-4ab then (a+b)^2=(a-b)^2+4ab then solving above equation we find (a+b)^2=205
Thank u very much
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