If 3 times 3rd term of an AP is equal to the 7 times its 7 th term find its 10 th term...please tellt he answer
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Answer:
given 3a₃ = 7a₇
3 ( a + 2d) = 7 (a+6d)
3a + 6d = 7a + 42d
- 4a - 36d = 0 [ divide both sides by - 4 ]
a + 9d = 0
but a + 9d = 10th term
therefore 10th term is 0
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