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state whether or not a constant will appear in the expansion of (x+y)^11

what does this mean? please help

  • MATH!!!!!!! -

    in the expansion of
    (x+y)^11 we get
    x^11 + 11x^10y + 55x^9y^2 + ... + 11xy^10 + y^11

    each term will have some combination of x and y so that the exponents add up to 11

    A constant would have no variables, which cannot happen in the above question.

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