Answers

2014-02-28T12:43:58+05:30
4c0(3x)^4+4c1(3x)^3(2y)+4c2(3x)^2(2y)^2+4c3(3x)(2y)^3+4c4(2y)^4
81x^4+216x^3 *y+216x^2 *y^2+96x *y^3+16y^4
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