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- Let a1, a2, a3, . . . be an A.P. and P12 k=1 a2k−1 = −72 5 a1 and Pn k=1 ak = 0. Then the value of n is:
Ajay
300 Points- Mohammad Anas (13750) Points
- Latest Answer: 3 months ago
- In: JEE
Let a1, a2, a3, . . . be an A.P. and P12 k=1 a2k−1 = −72 5 a1 and Pn k=1 ak = 0. Then the value of n is:
(1) 8
(2) 10
(3) 11
(4) 13
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