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

 \(\left(x^{2 / 3}+\frac{1}{2} x^{-2 / 5}\right)^9\) ના દ્વિપદી વિસ્તરણમાં \(x^{2 / 3}\) અને \(x^{-2 / 5}\) ના સહગુણકો નો સરવાળો ............ છે.

  1. A  \(21 / 4\)
  2. B  \(69 / 16\)
  3. C  \(63 / 16\)
  4. D  \(19 / 4\)
Verified Solution

Answer & Solution

Correct Answer

(A)  \(21 / 4\)

Step-by-step Solution

Detailed explanation

\( \mathrm{T}_{\mathrm{r}+1}={ }^9 \mathrm{C}_{\mathrm{r}}\left(\mathrm{x}^{2 / 3}\right)^{9-\mathrm{r}}\left(\frac{\mathrm{x}^{-2 / 3}}{2}\right)^{\mathrm{r}} \)…
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app