maths class 8 chapter 2
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here some uses of formula
like
(a+b)sq. =a sq. +b sq. + 2ab
(a-b) sq. = a sq. + b sq. - 2ab
( a sq. + b sq.) = ( a+b) (a-b)
a sq. m × a sq. n = a m sq. + n sq.
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