Question

x的n次方×x³=x的2n次方×x²,则n=___.若x³=27a的六次方 b的12次方,

Answer 1

x的n次方×x³=x的2n次方×x²,则n=1.

x^(3+n)=x^(2n+2)

3+n=2n+2

n=1

若x³=27a的六次方 b的12次方,则x=3a^2b^4.

x^3=3^3*(a^2)^3*(b^4)^3

x^3=(3a^2b^4)^3