0 To clear the screen in Linux (CentOS 7), type clear and press Enter. The clear command will clear whatever

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## What is a prime number? (definition and examples)

0 A prime number is a whole number which has exactly two factors: 1 and itself. Examples: 7 is prime,

Continue reading## Calculate sum of roots x1+x2+x3 (Viete’s relations) – problem with solution

0 This is problem 3 from Learn Math (problems with solutions) [volume 2]. 0

Continue reading## Calculate |3-7i| (module of complex number)

0 This is problem 2 from Learn Math (problems with solutions) [volume 2]. 0

Continue reading## Prove that x^3 + x + tan x is an odd function

0 This is problem 1 from Learn Math (problems with solutions) [volume 2]. 0

Continue reading## Calculate cos 2x, where sin x = 1/7 (partial solution)

0 This is problem 2 from Learn Math (problems with solutions) [volume 1]. The free ebook contains the full solution.

Continue reading## (sin PI/12 + cos PI/12)^2 – partial solution

0 This is problem 1 from Learn Math (problems with solutions) [volume 1]. The free ebook contains the full solution.

Continue reading## Learn Math (problems with solutions) [volume 1]

0 Learn Math (problems with solutions) [volume 1] This ebook contains the solutions and is available for free when you

## Solve x-62=0 (first degree equation)

0 Solve x-62=0 (first degree equation) 0

Continue reading## Solve x-61=0 (first degree equation)

0 Solve x-61=0 (first degree equation) 0

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