Question

9 power n+1 × 3 power -n by 2 power -2 - 27 power n

Answer 1

Step-by-step explanation:

9 power n+1× 3 power -n by 2 power -2-27 power n

I.e 3power 2(n+1) × 3power-n /2power-2 - 27power n

=> 3 power 2n+2 ×3 power -n/ (1/4) -3 power 3n

=> 3 power (n+2)/ 1/4 - 3power 3n