If x4 occurs in the r th term in the expansion of x 4-1- x 315- then r -A- 7B- 8C- 9D- 10

The correct option is C 9 T_r = ^15 C _r 1 (x^4)^16 r(1/x^3)^r 1 = ^15 C _r 1x^67 7r → 67 7r=4 → r=9 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Sum of product of binomial coefficients

If x4 occurs ...

Question

If $x^{4}$ occurs in the $r^{t h}$ term in the expansion of $(x^{4} + \frac{1}{x^{3}})^{15}$ , then r =

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

If in the expansion of ${(x^{4} - \frac{1}{x^{3}})}^{15}, x^{- 17}$ occurs in rth term, then

If $x^{4}$ occurs in the $r^{t h}$ term in the expansion of $(x^{4} + \frac{1}{x^{3}})^{16}$ , then r =

{(x^{4} + \frac{1}{x^{3}})}^{15},

If the coefficients of $r^{t h}$ term and $(r + 4)^{t h}$ term are equal in the expansion of $(1 + x)^{20}$ , then the value of r will be

x^{4}

r t h

{(x^{4} + \frac{1}{x^{3}})}^{15}

r =

Join BYJU'S Learning Program