What is the coefficient of x^3 in the expansion of (x + 2*sqrt(3))^5?
What is the coefficient of x^3 ?
Hello Guest!
\((x + 2*sqrt(3))^5 =x^5+10 \sqrt{3}x^4+{\color{blue}120x^3}+240\sqrt{3}x^2+720x+288\sqrt{3}\)
The coefficient of x^3 is 120.
!