SECTION B Application of your knowledge on the nature of roots:
1.
Prove that the roots of x² + (1 -k)x+k-3 = 0 are real for all real values of k.​

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90