Let 20 2 10 0 (2 3 4) . r r r x x ax = ++ = å Then 7 13 a a is equal to

Question:
Let $\left(2 x^{2}+3 x+4\right)^{10}=\sum_{r=0}^{20} a_{r} x^{r}$. Then $\frac{a_{7}}{a_{13}}$ is equal to

JEE Main Previous Year 2 Question of JEE Main from Mathematics Binomial Theorem chapter.

JEE Main Previous Year Sep. 04, 2020 (I)