3×9^n+1+9×3^2n-1/9×3^2n-6×9^n+1
Answers
Answered by
1
Answer:
Step-by-step explanation:
Hi ,
( 3ⁿ × 9^n+1 )/( 3^n-1 × 9^n-1 )
= [ 3ⁿ × ( 3² )^n + 1 ]/[3^n-1×( 3² )^n-1 ]
= [ 3ⁿ × 3^2n+2 ]/[ 3^n-1× 3^2n-2 ]
= [ 3^n+2n+2 ]/[ 3^n-1+2n-2 ]
= [ 3^3n+ 2 ]/[ 3^3n-3 ]
= 3^3n+2-3n+3
= 3^5
= 243
I hope this helps you.
: )
Similar questions