$(1+x)^{15}$ के विस्तार में अंतिम आठ क्रमागत गुणांकों का योग क्या है?

  • A
    $2^{15}$
  • B
    $2^{14}$
  • C
    $2^{16}$
  • D
    $2^8$

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Similar Questions

$\frac{C_1}{C_0} + 2\frac{C_2}{C_1} + 3\frac{C_3}{C_2} + \dots + 15\frac{C_{15}}{C_{14}} = $

$-{ }^{15}C_{1} + 2 \cdot { }^{15}C_{2} - 3 \cdot { }^{15}C_{3} + \ldots - 15 \cdot { }^{15}C_{15} + { }^{14}C_{1} + { }^{14}C_{3} + { }^{14}C_{5} + \ldots + { }^{14}C_{11}$ का मान है

$\sum\limits_{r = 0}^m {^{n + r}{C_n} = } $

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यदि $1^2 \cdot ^{20}C_1 + 2^2 \cdot ^{20}C_2 + 3^2 \cdot ^{20}C_3 + \dots + 20^2 \cdot ^{20}C_{20} = A(2^\beta)$ है,तो क्रमित युग्म $(A, \beta)$ का मान ज्ञात कीजिए।

$\binom{10}{1} + \binom{10}{2} + \binom{11}{3} + \binom{12}{4} + \binom{13}{5} = \dots$

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