ExamBro
ExamBro
JEE Mains · Maths · STD 11 - 7. binomial theoram

\(\left(5^{\frac{1}{2}}+7^{\frac{1}{8}}\right)^{1016}\) के प्रसार में पूर्णांक पदों की संख्या है:

  1. A 127
  2. B 130
  3. C 129
  4. D 128
Verified Solution

Answer & Solution

Correct Answer

(D) 128

Step-by-step Solution

Detailed explanation

\begin{aligned} & \mathrm{T}_{\mathrm{r}}={ }^{1016} \mathrm{C}_{\mathrm{r}}(5)^{\frac{1016-\mathrm{r}}{2}} 7^{\frac{\mathrm{r}}{8}} \\ & \Rightarrow \mathrm{r}=0,8,16,24, \ldots ., 1016 \\ & 1016=0+(\mathrm{n}-1) 8 \\ & \Rightarrow \mathrm{n}-1=\frac{1016}{8}=127 \end{aligned}…

Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app