Question

a 2n+3.a (2n+1)(n+2)
(a)2n+1. a 2n +1)​

Answer 1

Step-by-step explanation:

(i) a2n -3. a(2n+1)(n+2)/(a3)2n+1. an(2n+1)

(ii) x2n+7. (x2)3n+2/x4(2n+3)

Given expression = x2n+7 . x6n+4/x8n+12

= x2n+7 + 6n+4/x8n+12 = x8n + (+11)/x8n+12

= x8n + 11 – 8n -12 = x-1

= 1/x