Math, asked by jvpalmadiaz8799, 9 months ago

Given the AP. 11, 15, 19. Find the 20th term

Answers

Answered by DivyanshJoshi07

0

Answer:

a=11 ,d=+4

a(20th term) =a+(20-1)d

=11+19(4)

=11+76

=87

Answered by Anonymous

1

Answer:

Given A.P. is 3,7,11,15,....

Here a=3,d=4

We know Tn =a+(n−1)d

=3+(n−1)4

=4n−1

put n=20

=4*20-1

=79

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