.find the 20th term of the AP 9,13,17,21....
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Answered by
27
85
is the answer of this question
is the answer of this question
Kartikeydubey:
85
Answered by
140
given,
a(first term)=9
d(common difference)=13-9=4
therefore,
tn=a+(n-1)d
now putting the value of a and d, we get the
20th term,
t20=9+(20-1)4
=9+19×4
=9+76
85(ans)
hope it will help you. if you are satisfied with my answer then mark my answer as brainiest answer plz.
a(first term)=9
d(common difference)=13-9=4
therefore,
tn=a+(n-1)d
now putting the value of a and d, we get the
20th term,
t20=9+(20-1)4
=9+19×4
=9+76
85(ans)
hope it will help you. if you are satisfied with my answer then mark my answer as brainiest answer plz.
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