Simplify:- [a7+2n​ * (a2)3n+2 ] / [(a4]2n+3]

Dear student
We have,a7+2n×a23n+2a42n+3=a7+2n×a23n+2a42n+3=a7+2n×a6n+4a8n+12=a7+2n+6n+4a8n+12=a8n+11a8n+12=a8n+11-8n-12=a-1=1aIdentity used:1) a-n=1an2)am×an=am+n3) aman=am-n4) amn=amn
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