a)(x + y)^{6} = x ^{6} +6x ^{5} y + 15x ^{4} y ^{2} +20x ^{3} y ^{3} +15x ^{2} y ^{4} +6xy ^{5} + y ^{6}

b)(x + 2)^{5} = x ^{5} +32x ^{4} y + 10x ^{3} y ^{2} +10x ^{2} y ^{3} +32xy ^{4} + y ^{5}

may i ask how u got those answers

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