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Find the coefficient of x^5 in the expan...

Find the coefficient of `x^5` in the expansion of ` (x+3)^9`

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Knowledge Check

  • Find the coefficient of x^(5) in the expansion of (1+2x +3x^(2) + cdots )^(-(3)/(2)) ?

    A
    21
    B
    25
    C
    26
    D
    None of these

  • The coefficient of x^(5) in the expansion of (x +3)^(6) ,is

    A
    18
    B
    6
    C
    12
    D
    10

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    Find the coefficient of (i) x^(5)" in the expansion of "(x+3)^(8) (ii) x^(6) " in the expansion of "(3x^(2) - a/(3x))^(9) (iii) x^(-15) " in the expansion of " (3x^(2) - a/(3x^(3)))^(10). (iv) a^(7)b^(5)" in the expansion of "(a-2b)^(12) .

    Find the coefficient of x^5 in the expansion of ((2x)/3-3/(2x)) ^5

    Find the coefficient of x^(5) in the expansion of ((2 + 3x + 4x^(2)))/(e^(x))

    Find the coefficients of x^4 in the expansion of (1+x+x^2)^3

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