List questions from arithmetic-progressions

Published on 04 Jun 2015 - 16:15

153

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Euler product of $\sum (2^k n + 1)^{-s}$

Published on 26 Mar 2026 - 1:10

82

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Common ratio of a GP - $a_p, a_q, a_r$ given $a_1, a_2 ...$ form an AP

Published on 26 Mar 2026 - 12:37

530

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Where $ax + b$ prime infinitely often, is $ax + b - 2$ semiprime at least once?

Published on 16 Jun 2015 - 2:46

1.7k

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Prove that sum of AP is greater than sum of GP if first and last terms of both series are equal, all terms are positive and number of terms is equal

Published on 19 Jun 2015 - 11:20

112

Views

Find all $x$ such that $2^x,2^{x^2}$ and $2^{x^3}$ form $3$ terms of an A.P.

Published on 24 Jun 2015 - 10:55

595

Views

An arithmetic progression where square of the fourth term is sum of the first three terms

Published on 24 Jun 2015 - 12:04

254

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A tricky arithmetic progression problem

Published on 24 Jun 2015 - 12:46

673

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A tricky arithmetic progression question

Published on 24 Jun 2015 - 14:22

81

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Arithmetic problem with logarithm

Published on 24 Jun 2015 - 16:19

619

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Arithmetic progression involving triplets of numbers

Published on 25 Jun 2015 - 7:45

2k

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Finding numbers and Arithmetic progression

Published on 25 Jun 2015 - 9:06

56

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How mamy trailing zeroes in 1000! Using G.P. or A.P.?

Published on 25 Jun 2015 - 11:06

54

Views

Summation and Arithmetic progression problem

Published on 26 Jun 2015 - 8:09

36

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Arithmetic problem involving summation of terms

Published on 26 Jun 2015 - 12:56

List Question

Intersection of two Arithmetic progressions

Euler product of $\sum (2^k n + 1)^{-s}$

Common ratio of a GP - $a_p, a_q, a_r$ given $a_1, a_2 ...$ form an AP

Where $ax + b$ prime infinitely often, is $ax + b - 2$ semiprime at least once?

Prove that sum of AP is greater than sum of GP if first and last terms of both series are equal, all terms are positive and number of terms is equal

Find all $x$ such that $2^x,2^{x^2}$ and $2^{x^3}$ form $3$ terms of an A.P.

An arithmetic progression where square of the fourth term is sum of the first three terms

A tricky arithmetic progression problem

A tricky arithmetic progression question

Arithmetic problem with logarithm

Arithmetic progression involving triplets of numbers

Finding numbers and Arithmetic progression

How mamy trailing zeroes in 1000! Using G.P. or A.P.?

Summation and Arithmetic progression problem

Arithmetic problem involving summation of terms

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