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Mathematics 11 Online
OpenStudy (anonymous):

.

ganeshie8 (ganeshie8):

Hint : \(25=5^2\) \(4=2^2\)

OpenStudy (anonymous):

is it b?

OpenStudy (anonymous):

because it is square

ganeshie8 (ganeshie8):

Yes. \(25-4=5^2-2^2=(5+2)(3-2)=(7)(3)=21\)

OpenStudy (anonymous):

Thank you SO MUCH!!!

ganeshie8 (ganeshie8):

yw

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