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

1.	If 9th term of an ap is zero prove that 29 term is twice of the 19th term
Answer» Let the first term of an A.P. =\xa0aAnd common difference =\xa0dGiven: 9th\xa0term of an A.P. is 0. Therefore,We have to prove that\xa0Thus,AndFrom equation (2) and (3),Hence provedc

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