Math, asked by dattatraylambe15, 4 months ago

Tf the ath term of
term of on AP is zero,
then show that the 29th term
term is
the 19th term

Answers

Answered by Anonymous

1

Answer:

Let a and d respectively be the first term and common difference of the AP.

Given a9 = 0

So, a + (9-1)d = 0

a+8d=0

a= -8d

Now, 29th term = a+28d

=-8d+28d

= 20d = 2 x 10d

= 2(-8d + 18d)

=2(a+18d)

= 2 x 19th term

Thus, the 29th term of the AP is twice the 19th term.

Step-by-step explanation:

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