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$The first three terms in the expansion of {(1 + x + x^{2})}^{10} are$

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1,5x,11x2

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Correct option is C

1+x+x210=10C0(1+x)10+10C1(1+x)9x2+..=1+10C1x+10C2x2+..+101+9C1x+9C2x2+..x2=1+10x+55x2+..

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The first three terms in the expansion of 1+x+x210 are

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$The first three terms in the expansion of {(1 + x + x^{2})}^{10} are$