The coefficient of x 4 in the expansion of (1 + x + x 2 ) 10 is

Question:
The coefficient of $x^{4}$ in the expansion of $\left(1+x+x^{2}\right)^{10}$ is

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

JEE Main Previous Year Jan. 9, 2020 (I)