Which term of the sequence 3,8,13 is 78
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Hi
Sol.here a=3
d=5
an=78
to find n
an=a+(n-1)d
78=3+(n-1)5
78=3+5n-5
78+2=5n
5n=80
n=16
hope it helps you
thanks
Sol.here a=3
d=5
an=78
to find n
an=a+(n-1)d
78=3+(n-1)5
78=3+5n-5
78+2=5n
5n=80
n=16
hope it helps you
thanks
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