Question

sequence first five terms each

Answer 1

answer:-
=>if n=1then,
a1=1(1+2)
= 3
=>if n=2 then,
a2=2(2+2)
=8
=>if n=3 then,
a3=3(3+2)
=15
=>if n=4 then,
a4=4(4+2)
=24
=>if n=5then,
a5=5(5+2)
=35
therefore, the sequence of first five terms are
3,8,15,24,35

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