Question

若a的n次方=3,b的n次方=5,a的3n次方+b的2n次方值

Answer 1

a的n次方=3,a的3n次方=27 也就是a的n次方*a的n次方*a的n次方
b的n次方=5，b的2n次方=25 也就是b的n次方*b的n次方
a的3n次方+b的2n次方=27+25=52

Answer 2

a^n=3
b^n=5

a^3n+b^2n
=(a^n)^3+(b^n)^2
=3^3+5^2
=27+25
=52

Answer 3

a^3n = (a^n)^3= 3^3=27
b^2n = (b^n)^2 =5^2 =25
27 +25 =52