Question

9^3n * 3^n+1 / 27^n+1 + 81^n (indices)

Answer 1

Evaluate the exponent: (i) 5-3 (ii) (1/3)-4 (iii) (5/ 2)-3 (iv) (-2)-5 (v) (-3/4)-4. ... (ii) (1/3)-4 = (3/1)4 = 34 = 81 ... (-2)3/33 = 42/92 × x ... Find the value of n, when (5/3)2n + 1 (5/3)5 = (5/3)n + 2