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If 9th term of an ap is zero prove that 29 term is twice of the 19th term

Posted by Tushar . 4 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 4 years, 9 months ago

Let the first term of an A.P. = a

And common difference = d

Given: 9^th term of an A.P. is 0. Therefore,

We have to prove that

Thus,

And

From equation (2) and (3),

Hence provedc

0Thank You

ANSWER

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