Math, asked by roopavnayak474, 1 month ago

Find the 21st term of the A.P : 7 , 13 , 19 , 25 , …………….

Answers

Answered by abhayrajkp9696

12

Answer:

127

Step-by-step explanation:

a = 7

n = 21

d = a2-a1

so, d = 13 - 7 = 6

an = a + ( n-1)d

an = 7 + (21-1)6

an = 7+(20)6

an = 127

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