if the 6th term of an AP is -10and its 15th term is -46 then find the 10th term of AP
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A6 = -10
a + 5d = -10 ....1
A15 = -46
a + 14d = -46 ......2
Solving 1 and 2
a + 5d = - 10
a + 14d = -46
- - +
-------------
9d = 36
d = 4
Putting value of d in eq 1
a + 20 = -10
a = -10 - 20 = -30
---A10
a + 9d
-30 + 36 = 6 ANS
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pandeykalpana8959:
Sorry your answer is wrong correct answer is -26 by the way thanku
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