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[" 7.If "9^(" th ")" term of an A.P.is z...

[" 7.If "9^(" th ")" term of an A.P.is zero,prove that its "29^(" th ")" term is double the "19^(" th ")" term."],[" 8.If "10" times the "10^(" th ")" term of an A.P.is equal to "15" times the "15^(" th ")" term,show that "25^(" th ")" term of "],[" the A.P.is zero."]

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If 9th term of an A.P. is zero, prove that its 29th term is double the 19th term.

If 9th term of an A.P.is zero,prove that its 29th term is double the 19th term.

If the 9^(th) terms of an A.P is zero , prove that 29^(th) term is double the 19^(th) term .

If the 9^(th) term of an A.P. is zero, then prove that 29^(th) term is double of 19^(th) term.

If 10 times the 10th term of an A.P. is equal to 15 times the 15th term, show that 25th term of the A.P. is zero.

If the 9th term of an A.P is zero,prove that 29th term is double the 19th term.

If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) term, show that the 25th term is 0

If 6 times the 6^(th) term of an A.P, is equal to 9 times the 9^(th) term, show that its 15^(th) term is zero.

If 6 times the 6^(th) term of an A.P, is equal to 9 times the 9^(th) term, show that its 15^(th) term is zero.

If 10 xx the 10 th term of an A.P.is equal to 15 xx the 15 th term,show that 5 th term of the A.P.is zero.