Math, asked by shashikalakadaba, 11 months ago

the thirteenth term of an ap is two times its tenth term and the third term is 6 more than two times its sixth term. find A.P

Answers

Answered by kmb2972

11

Answer:18,15,12.......

Step-by-step explanation:

a 13 =a+12d=2×a10

a+12d=2(a+9d)

-a-6d=0.........(1)

a3= a+2d= 2(a+5d)+6

-a-8d=6..........(2)

By(1)-(2):

-2d=6

d= -3

a= 18

A.P: 18,15,12.....

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