Calculus
posted by Jacob .
If x^3 = 1 and x does not equal 1, x(x+1)= ?

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.
Respond to this Question
Similar Questions

Calculus
f(x)=x^2x+3 , n=6 , a=0, b=3 find LRAM, RRAM, and MRAM for x is greater than or equal to a or less than or equal to b 
HS Calculus/math
Solve the equation cotx=4 in the interval 0<(smaller and equal to)x<<(larger and equal to)2pie 
Calculus
Consider the function f defined by f(x)= sin x/x, x cannot equal 0 1, x cannot equal 0 a) At what points does the graph cross the Xaxis? 
AP Calculus
Suppose that f(0) = 4 and f'(x)< or equal to 2 for x>0. Apply the MVT to the interval [0 , 3] to prove that f(3) < or equal to 10 
calculus
Factor and solve for x 1) x^4  9x^2> 0 2) 4x2^x  x^3 2^x<or equal to 0 I don't know where to start on 1 but for 2 I got X<or equal to 4 or x> or equal to 4 Could some one please explain how to do 1 and tell me if I did … 
calculus
find max and min of e^xe^(3x) on interval where x is greater than or equal to 0 and less than or equal to 1 
Calculus
Consider the function f(x)=6xcos(x)+5 on the interval 0 is less than or equal to x, and x is less than or equal to 1. The Intermediate Value Theorem guarantees that there is a value c such that f(c)=k for which values of c and k? 
calculus
Consider the function f(x)=65x−cos(x)+2 on the interval 0 less than or equal to x less than or equal to 1. The Intermediate Value Theorem guarantees that there is a value c such that f(c)=k for which values of c and k? 
Calculus
Hi! I need help with this problem: For 0(smaller or equal to) t (smaller or equal to) 9, a particle moves along the xaxis. The velocity of the particle is given by v(t)= (sin pi/4 t). The particle is at position x= 4 when t=0. a) … 
Calculus
Determine the average rate of change of f(x)=1/(x^2 x) over the interval 2 is less then or equal to x and 3 is greater or equal to x.