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[x+y]^4 = ??[x+y]^11=??[1+100]^1000=?? |
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Answer» 1) x⁴+4x³y+6x²y²+4xy³+y⁴ 2)x¹¹+11x¹⁰y+55x⁹y²+165x⁸y³+330x⁷y⁴+462 3)101000
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