Recent questions in Sequences and series

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Which of the following is correct?

asked May 16, 2022 in Sequences and series by vrishank1128 (30 points)

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The sum of first 10 terms of the series \( \left(x+\frac{1}{x}\right)^{2}+\left(x^{2}+\frac{1}{x^{2}}\right)^{2}+\left(x^{3}+\frac{1}{x^{3}}\right)^{2}+\ldots . \), is

asked Apr 16, 2022 in Sequences and series by sajjan6741 (15 points)

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Let \( \alpha \) and \( \beta \) be two real numbers such that \( \alpha+\beta=1 \) and \( \alpha \beta=-1 \).

asked Feb 21, 2022 in Sequences and series by rohit0903 (118 points)

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Sequence And Series

asked Jan 21, 2022 in Sequences and series by keshav4873 (30 points)

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Find the Taylor's Expansion of (1+x+y^2)^1/2

asked Jan 3, 2022 in Sequences and series by Epsilon (15 points)

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If a,b,c are the positivebintegers then (a+b) (b+c) (c+a) is

asked Nov 28, 2021 in Sequences and series by riyaa5551 (20 points)

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If a be AM of b and c and G1, G2 be the two GM between them G3+G3 2 =

asked Nov 28, 2021 in Sequences and series by riyaa5551 (20 points)

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Find the nth term and sum upto 13terms of the sequence: 3,−1, 1/3, -1/9....

asked Oct 18, 2021 in Sequences and series by Aryan Sharma 3 (15 points)

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Let \( P=\sum_{n=1}^{10} n\left\{\frac{1^{2}}{1+n}+\frac{2^{2}}{2+n}+\ldots . .+\frac{10^{2}}{10+n}\right\} \) then which of the following is/are correct? (A) \( 2 P \) is perfect square (C) Number of divisors of \( 2 P \) is 9 (B) \( 2 P \) is divisible by \( 11^{2} \) (D) The remainder when \( 2 P \) is divided by 6 is 1 .

asked Sep 30, 2021 in Sequences and series by pagal8757 (20 points)

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Q) The first , second and middle term of an AP are a,b,c respectively. Sum of all terms is

asked Sep 11, 2021 in Sequences and series by Percy_jac_k_son (15 points)

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Q.17 \( \quad \) Sum \( \frac{1}{5}+\frac{1}{7}+\frac{1}{5^{2}}+\frac{1}{7^{2}}+\ldots . \) to \( \infty= \) (A) \( 5 / 12 \) (B) \( 3 / 4 \) (C) \( 7 / 12 \) (D) \( 3 / 49 \)

asked Sep 8, 2021 in Sequences and series by shivangi6410 (15 points)

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Sum to n terms of the series

asked Jan 15, 2021 in Sequences and series by Bookmark (15 points)

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Find the sum of the series to n terms where and is even

asked Dec 29, 2020 in Sequences and series by Kesarwani ujjwal (15 points)

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Then find the value

asked Dec 24, 2020 in Sequences and series by Anant Dwivedi (350 points)

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How many terms of the G.P. 3,3/2,3/4 are needed to give the sum 765/128?

asked Dec 24, 2020 in Sequences and series by Anant Dwivedi (350 points)

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Find the sum of infinite series 1+⅓+⅙+.....

asked Oct 11, 2020 in Sequences and series by bhavberi (85 points)

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Let AP(a;b) denotes the set of all the terms of an infinite arithmetic progression with the first term a and common difference d if AP(13)

asked Sep 13, 2020 in Sequences and series by Gopikrishna (20 points)

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Double summation

asked Aug 26, 2020 in Sequences and series by Pratik Prakhar (15 points)

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If a, b and c be three distinct real numbers in G.P. and a + b + c = xb, then x cannot be

asked Jan 4, 2020 in Sequences and series by inamur rahman (15 points)

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asked Nov 3, 2019 in Sequences and series by Sumitkumar Jain (45 points)

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