Question

Solve this plz

fasttttttt

I will mark as brainliest answer
​

Answer 1

Answer:

m-n=2

Step-by-step explanation:

[9^n+1(3^-n/2)^-2 -3^3n]×3^-3m =3^-6×2^3

⇒[3^2n+2+n-3^3n]3^-3m =3^-6×8

⇒3^3n[9-1]×3^-3m=3^-6×8

⇒3^3(n-m)=3^-6

⇒3(n-m)= -6   [∵a^m=a^n⇔m=n]

⇒n-m=-2

∴m-n=2