answer... this question fast by short method.........not by multiplication.
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use formula of (a cube +b cube.)
aarushi9rawat:
then solve first and give me answer
sign in between is division..
so simple
=(a+b) (a2-ab+b2) / (a2-ab+b2)
=(a+b) (a2-ab+b2) / (a2-ab+b2)
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