Using identities, find the value of 39sq
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39sq is also written as
(30+9)sq here the identiti is aplly
i.e. (a+b)sq =(a)sq+(b)sq+2ab
now solve it by using this identity
(30+9)sq here the identiti is aplly
i.e. (a+b)sq =(a)sq+(b)sq+2ab
now solve it by using this identity
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