Question

Proving limit of $a^n\to0$ for $|a|<1$ without use of logarithms

score 79 · Answer 1 · 2026-04-14 19:49:42

79

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Proving limit of $a^n\to0$ for $|a|<1$ without use of logarithms

Published on 14 Apr 2026 - 19:49

score 113 · Answer 2 · 2026-04-16 05:14:19

113

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showing that $\frac{a+b}{2}\cdot\frac{c+d}{2} =\big( \frac{a+b+c+d}{4}\big)^2$

Published on 16 Apr 2026 - 5:14

score 4k · Answer 3 · 2026-04-09 12:00:14

4k

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Is it possible for the DNF and CNF to be the same

Published on 09 Apr 2026 - 12:00

score 34 · Answer 4 · 2026-04-11 06:07:02

34

Views

Proof area triangle

Published on 11 Apr 2026 - 6:07

score 65 · Answer 5 · 2026-04-13 07:13:21

65

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Proving a general statement about sequences and continous functions.

Published on 13 Apr 2026 - 7:13

score 737 · Answer 6 · 2026-04-12 13:30:53

737

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Riemann integration of a function with finite number of non zero points.

Published on 12 Apr 2026 - 13:30

score 339 · Answer 7 · 2026-04-16 11:57:25

339

Views

Induction differential proof

Published on 16 Apr 2026 - 11:57

score 214 · Answer 8 · 2026-04-16 02:55:08

214

Views

Proving that three non-aligned points determine a unique plane

Published on 16 Apr 2026 - 2:55

score 2.4k · Answer 9 · 2026-04-16 12:50:27

2.4k

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Showing the Composition of Two Polynomials is a Polynomial and the Composition of Two Rational Functions is a Rational Function

Published on 16 Apr 2026 - 12:50

score 290 · Answer 10 · 2026-04-12 04:31:12

290

Views

I really need help on part of a proof that I just don't understand!

Published on 12 Apr 2026 - 4:31

score 170 · Answer 11 · 2026-04-17 07:55:28

170

Views

Show that $x-1$ is a factor of $P(x)$ where $P(x^5)+xQ(x^5)+x^2R(x^5)=\big(x^4+x^3+x^2+x+1\big)S(x)$

Published on 17 Apr 2026 - 7:55

score 61 · Answer 12 · 2026-04-16 06:13:18

61

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Trigonometry : If tan aθ = tan bθ is a trigonometric equations and θ are in A.P. Then the general solution of θ is

Published on 16 Apr 2026 - 6:13

score 812 · Answer 13 · 2026-04-14 06:22:36

812

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About proofs by contrapositive and proofs by contradiction

Published on 14 Apr 2026 - 6:22

score 87 · Answer 14 · 2026-04-11 10:30:26

87

Views

Proof checking: uniqueness and family of sets

Published on 11 Apr 2026 - 10:30

score 34 · Answer 15 · 2026-04-14 07:53:08

34

Views

Bounding a sinusoid of unity amplitude with third order harmonics?

Published on 14 Apr 2026 - 7:53

List Question

Proving limit of $a^n\to0$ for $|a|<1$ without use of logarithms

showing that $\frac{a+b}{2}\cdot\frac{c+d}{2} =\big( \frac{a+b+c+d}{4}\big)^2$

Is it possible for the DNF and CNF to be the same

Proof area triangle

Proving a general statement about sequences and continous functions.

Riemann integration of a function with finite number of non zero points.

Induction differential proof

Proving that three non-aligned points determine a unique plane

Showing the Composition of Two Polynomials is a Polynomial and the Composition of Two Rational Functions is a Rational Function

I really need help on part of a proof that I just don't understand!

Show that $x-1$ is a factor of $P(x)$ where $P(x^5)+xQ(x^5)+x^2R(x^5)=\big(x^4+x^3+x^2+x+1\big)S(x)$

Trigonometry : If tan aθ = tan bθ is a trigonometric equations and θ are in A.P. Then the general solution of θ is

About proofs by contrapositive and proofs by contradiction

Proof checking: uniqueness and family of sets

Bounding a sinusoid of unity amplitude with third order harmonics?

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