Math, asked by siddhibhavyaa1911, 10 months ago

Find the 12th from last of AP 3,8,13......253

Answers

Answered by vavadiya

4

hear,

n=12. a=3. l=253 d=T2-T1

8-3=5

Tn=l-(n-1)d

T12=253-(12-1)5

=253-(11)5

=253-55

=198

so the answer is 198

best of luck

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