Question

i need ur help guys....

Answer 1

hello friend,
for 1)
compairinf the equ.3^n-2^n with the given condition,
when n=1,
3-2=1
when n=2,
9-4=5
when n=3,
27-8=19
when n=4
81-16=65
and when n=5
243-32=211
so elements are,
A={1,5,19,65,211}
hope it will help