Math, asked by priyadharshini9667, 11 months ago

Find the th 20 term of an A.P. whose 3rd term is 7 and the seventh term exceeds three times the 3rd term by 2. Also find its th n term

Answers

Answered by nikunj28toppr
1

Answer:

your answer is 29 bro

...

Answered by Anonymous
4

hey mate here is ur answer =

a+2d=7----(1)

a+6d=2+a+2d

4d=2

d=1/2

a=6

tn=6+(n-1)×1/2

=6+n/2-1/2

=11/2+n/2=11+n/2

hope it helps.

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