SOLUTION: (please help me to solve this question) solving equation zē-6z+9=4√(zē-6z-6) following roots are obtained (A) 3+2√3, 3-2√3 (B) 5,1 (C) all the above (D) none

Algebra ->  Equations -> SOLUTION: (please help me to solve this question) solving equation zē-6z+9=4√(zē-6z-6) following roots are obtained (A) 3+2√3, 3-2√3 (B) 5,1 (C) all the above (D) none       Log On


   

Question 901680: (please help me to solve this question)
solving equation zē-6z+9=4√(zē-6z-6) following roots are obtained
(A) 3+2√3, 3-2√3 (B) 5,1 (C) all the above (D) none
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
cos(57) = cos(360-57) = cos(303)
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