Freemathhelp.com

Find helpful math lessons, games, calculators, and more. Get math help in algebra, geometry, trig, calculus, or something else. Plus sports, money, and weather math lessons, too.

Solving [imath]x^7-1=0[/imath]

Hi, I need help solving this equation exactly using only square roots. I'm aware that one solution for this problem is x k = e 2 k i π 7 ...Read more

Tên miền: freemathhelp.com Đọc thêm

equation 2x + 1/2

Hello, I am solving just simple quadratics inequalities. I have factorized it. It looks like this: (2x+1/2) * (x - 1) to get the solution.Read more

Tên miền: freemathhelp.com Đọc thêm

Taylor expansion: infinity, ln(1+x)

This infinite series will converge to the value ln(1+x) only for |x| < 1. The specific Taylor series will differ depending on which point you're looking at.Read more

Tên miền: freemathhelp.com Đọc thêm

Solve sin(3x)+cos(2x)=0

Hello. I am new to this forum and need some homework help. I have been struggling with trig identities, and can't figure out how to solve ...Read more

Tên miền: freemathhelp.com Đọc thêm

Please help X+2y=10 is Y= what?

when I solve x+2y=10, i get ordered pairs {(0,5),(6,2),(10,0),(4,3)} What I'm really trying to do is to enter this equation into my TI-84 ...Read more

Tên miền: freemathhelp.com Đọc thêm

X1, X2 equation | Free Math Help Forum

My first guess is that perhaps x 1 and x 2 are the two roots of the equation. But we can only know what they are if we are told.Read more

Tên miền: freemathhelp.com Đọc thêm

Boolean algebra question: Solving AB + A'C + BC

Hi guys, I have been asked to solve this question > AB + A'C + BC, the answer to the question is > AB + A'C + BC = AB + A'C + BC(A + A') ...

Tên miền: freemathhelp.com Đọc thêm

C = 90 degrees, values of sinA, sinB, sinC form geometric ...

I have a right triangle ABC, with angle C = 90 degrees. The values of sinA, sinB, and sinC form a geometric sequence. What is the value of sinA?Read more

Tên miền: freemathhelp.com Đọc thêm