New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Binomial Theorem question

2021 · 31 Aug · Shift 2 · Q37

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Mathematics
Binomial Theorem
2021 · 31 Aug · Shift 2 · Q37

Binomial Theorem question

2021 · 31 Aug · Shift 2 · Q37

JEE MainMathematicsBinomial TheoremNumerical+4 / −1

If the coefficient of a7b8 in the expansion of (a + 2b + 4ab)10 is K.216, then K is equal to

\underline{\hspace{2cm}}

.

Numerical answer

More from Binomial Theorem

Let $α$ > 0, $β$ > 0 be such that $α$ 3 + $β$ 2 = 4. If the maximum value of the term independent of x in the binomial expansion of $(α x^{\frac{1}{9}} + β x^{- \frac{1}{6}})^{10}$ is…2020 · MCQ
If the number of integral terms in the expansion of (31/2 + 51/8)n is exactly 33, then the least value of n is :2020 · MCQ
If the term independent of x in the expansion of $(\frac{3}{2} x^{2} - \frac{1}{3 x})^{9}$ is k, then 18 k is equal to :2020 · MCQ
Let $(2 x^{2} + 3 x + 4)^{10} = r = 0 \sum 20 a_{r} x^{r}$ Then $\frac{a _{7}}{a _{13}}$ is equal to .2020 · Numerical
The natural number m, for which the coefficient of x in the binomial expansion of $(x^{m} + \frac{1}{x ^{2}})^{22}$ is 1540, is .............2020 · Numerical
If {p} denotes the fractional part of the number p, then ${\frac{3 ^{200}}{8}}$ , is equal to :2020 · MCQ
If the constant term in the binomial expansion of $(x - \frac{k}{x ^{2}})^{10}$ is 405, then |k| equals :2020 · MCQ
The greatest positive integer k, for which 49k + 1 is a factor of the sum 49125 + 49124 + ..... + 492 + 49 + 1, is:2020 · MCQ