જો $3 \times { }^5 C_0 + 8 \times { }^5 C_1 + 13 \times { }^5 C_2 + 18 \times { }^5 C_3 + 23 \times { }^5 C_4 + 28 \times { }^5 C_5 = k \times 2^4$ હોય,તો $k=$

  • A
    $33$
  • B
    $37$
  • C
    $31$
  • D
    $30$

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Similar Questions

$(1 + x)^{15}$ ના વિસ્તરણમાં છેલ્લા આઠ સહગુણકોનો સરવાળો કેટલો થાય?

જો $(1 + x)^n = c_0 + c_1x + c_2x^2 + c_3x^3 + \dots + c_nx^n$ હોય,તો $c_0 - 3c_1 + 5c_2 - \dots + (-1)^n(2n + 1)c_n$ ની કિંમત શું થાય?

સરવાળા $\left({ }^{n} C_{1}\right)^{2}+\left({ }^{n} C_{2}\right)^{2}+\left({ }^{n} C_{3}\right)^{2}+\ldots+\left({ }^{n} C_{n}\right)^{2}$ નું મૂલ્ય છે

$\binom{47}{4} + \sum_{r=1}^5 \binom{52-r}{3} = \dots$

જો $(1 + x)^n = C_0 + C_1x + C_2x^2 + .......... + C_nx^n$ હોય,તો $\frac{C_1}{C_0} + \frac{2C_2}{C_1} + \frac{3C_3}{C_2} + .... + \frac{nC_n}{C_{n - 1}} = $

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