If f x -1- x - x 2- x 3- x 16- x 17- then the coefficient of x 2 in f x -1 isA- 816B- -816C- 618D- -618

The correct option is A 816f(x) = 1 x^18/1+x ⇒ f(x 1) = 1 (x 1)^18/x Coeff. Of x^2 in f(x 1) = coeff. of x^3 in NR = ^18 C_3 = 816 ...

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Binomial Expression

If f x =1- x ...

Question

If f(x) = $1 - x + x^{2} - x^{3} + . . . . . . . + x^{16} - x^{17},$ then the coefficient of $x^{2}$ in f(x - 1) is

816

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- 816

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618

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- 618

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Similar questions

f (x) = 1 - x + x^{2} - x^{3} + . . . . - x^{15} + x^{16} + x^{17}

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f (x) = 1 + x^{2} - x^{3} + . . . - x^{15} + x^{16} - x^{17}

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