MCQ
$(x+a)^n$ के प्रसार में व्यापक पद है-
  • ${ }^n C_r x^{n-r} \cdot a^r$
  • B
    ${ }^n C_r x^r \cdot a^r$
  • C
    ${ }^n C_{n-r} x^{n-r} \cdot a^r$
  • D
    ${ }^n C_{n-r} x^r \cdot a^{n-r}$

Answer

Correct option: A.
${ }^n C_r x^{n-r} \cdot a^r$
(A) ${ }^n C_r x^{n-r} \cdot a^r$

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