Question Simplify the expression −z2 Evaluate −z×zSolution −z2 Show Solution Find the roots z=0 Evaluate −z×zTo find the roots of the expression,set the expression equal to 0 −z×z=0Multiply the terms −z2=0Change the signs on both sides of the equation z2=0Solution z=0 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix