csat-suneung 2025 Q23

csat-suneung · South-Korea · csat__math 2 marks Binomial Theorem (positive integer n) Find a Specific Coefficient in a Single Binomial Expansion

What is the coefficient of $x^{6}$ in the expansion of $\left(x^{3} + 2\right)^{5}$? [2 points]
(1) 40
(2) 50
(3) 60
(4) 70
(5) 80

What is the coefficient of $x^{6}$ in the expansion of $\left(x^{3} + 2\right)^{5}$? [2 points]\\
(1) 40\\
(2) 50\\
(3) 60\\
(4) 70\\
(5) 80