ESE 2021Q79
Q: The value of Σ_{x=1}^n 1 / ((x + 3)(x + 4)) is
(a)n / (n + 2)
(b)2 n / (n + 1)
(c)n / 4(n + 4)
(d)n / 2(n + 2)
Correct Answer: (a)
Detailed explanation coming soon.
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ESE 2021Q. 79 of 100
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Q: The value of Σ_{x=1}^n 1 / ((x + 3)(x + 4)) is
Correct Answer: (a)
Detailed explanation coming soon.