Find the value if 9th term of an AP is zero and proof that it's 29th t

1.	Find the value if 9th term of an AP is zero and proof that it's 29th term is double of 19th term.
Answer» ANSWER: Substituting N = 9 in this formula: 20d = 2(10D). 20d = 20d. Therefore, it is proved that the 29th term is TWICE the 19th term when the 9th term is 0.

Find the value if 9th term of an AP is zero and proof that it's 29th term is double of 19th term.

Answer»

ANSWER:

Substituting N = 9 in this formula:

20d = 2(10D). 20d = 20d. Therefore, it is proved that the 29th term is TWICE the 19th term when the 9th term is 0.

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Find the value if 9th term of an AP is zero and proof that it's 29th term is double of 19th term.​

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Find the value if 9th term of an AP is zero and proof that it's 29th term is double of 19th term.