Math, asked by vandanasarode1985, 3 months ago

find the 21 term of the A.P 7,11,15..

Answers

Answered by aryan8438

0

thus the 21st term of AP is 87

Attachments:

Answered by Anonymous

0

Answer:

87

Step-by-step explanation:

a = 7

d = 11-7 = 4

n = 21

a21 = a + 20d

= 7 + 20(4)

= 7 + 80

= 87

HOPE IT HELPS :)

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