Let z1 and z2 be complex number then show that
|z1+z2|<=|z1|+|z2|

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5