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[" 15.Which term of the AP "24,21,18,15,...

[" 15.Which term of the AP "24,21,18,15,..." is the first negative term? "],[" 16.If "5" times the fifth term of an AP is equal to "8" times its eight term,show that its "13^(" th ")" term "],[" is zero."]

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which term of the A.P. 27,24,21,.... is the first negative term.

If five times the fifth term of an A.P. is equal to 8 times its eighth term, show that its 13 t h term is zero.

If 5 times the fifth term of an A.P. .is equal to 8 times its eight term, show that 13th term is zero.

If five xx the fifth term of an A.P.is equal to 8 xx its eighth term,show that its 13th term is zero.

If six times the sixth term of an A.P. is equal to nine times the ninth term, then 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 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 9 times the 9th term of an AP is equal to 13 times the 13th term, show that its 22 nd term is 0.

If 7 times the 7th term of an A.P. is equal to 11 times its 11th term, show that the 18th term of the A.P. is zero.

If 7 times the 7th term of an A.P. is equal to 11 times its 11th term, show that the 18th term of the A.P. is zero.