1.

294*(x*y^2) %2B 84*(x^2*y) %2B 8*x^3 %2B 343*y^3

Answer»

8x³+343y³+84x²y+294xy² =(2x)³+(7y)³+3(2x)²(7y)+3(2x)(7y)²=(2x+7y)³=(2x+7y)(2x+7y)(2x+7y) , Ans..

2x+7y Ka cube or (2x+7y)^3



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