bbhawana314
bbhawana314
18-10-2020
Health
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find hcf of (a+b) ² and a²-b²
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karun26
karun26
18-10-2020
1 st expression = (a+b)^2
(a+b) (a+b)
2nd expression = a^2-b^2
= (a+b) (a-b)
therefore hcf = ( a+b)
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