Posted by **Jacob** on Friday, December 16, 2011 at 8:51pm.

If x^3 = 1 and x does not equal 1, x(x+1)= ?

- Calculus -
**bobpursley**, Friday, December 16, 2011 at 9:03pm
Do it in polar:

x^3=1@0=1@360= 1@720

x= 1@0 not allowed in the problem statement

other solutions...

x= 1@120= 1cos120+i*sin120=you do it.

x=1@240=1cos240+i*sin240= you do it.

now, with the last two, solve for x(x+1)

have fun.

## Answer This Question

## Related Questions

- calculus - Factor and solve for x 1) x^4 - 9x^2> 0 2) 4x2^x - x^3 2^x<or ...
- calculus - Consider the function f(x)=65x−cos(x)+2 on the interval 0 less ...
- Calculus - Consider the function f(x)=6x-cos(x)+5 on the interval 0 is less than...
- Calculus - Hi! I need help with this problem: For 0(smaller or equal to) t (...
- calculus - find max and min of e^x-e^(3x) on interval where x is greater than or...
- Calculus - f(x)=x^2-x+3 , n=6 , a=0, b=3 find LRAM, RRAM, and MRAM for x is ...
- AP Calculus - Suppose that f(0) = 4 and f'(x)< or equal to 2 for x>0. ...
- HS Calculus/math - Solve the equation cotx=4 in the interval 0<(smaller and ...
- Calculus - Consider the function f defined by f(x)= sin x/x, x cannot equal 0 1...
- physics - Determine the acceleration and normal force of system below. Assume no...

More Related Questions