Question

if the 9th term of an ap is 0, prove that it's 29th term is twice it's 19th term

Answer 1

Answer:

Step-by-step explanation:

a+8d=0

a= - 8d.

29 th term=a+28d

                  = - 8d+28d

                  =20d.

19 th term=a+18d

                = - 8d+18d

                = 10d

thus 29 th term is twice 19 th term

Answer 2

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