Question

3x 27" +1 + 9 x 33n - 1
8 x 3^n- 5 x 27"
C
1​

Answer 1

Answer:

8×33n−5×27n3×27n+1+9×33n−1

=23×33n−5×33n3×(33)n+1+32×33n−1

=23×33n−5×33n31+3n+3+32+3n−1

=23×33n−5×33n33n+4+33n+1

=33n(23−5)33n(34+31)

=8−581+3

=