Please help me fast...
Let k be a real number for which the equation cos2kx = 3- 2cosx has exactly one solution. Then k
(a) rational number
(b) any non zero number
(c) an irrational number
(d) none of these
Select the correct option and explain the solution.
No spam please. Answer only if you are absolutely sure about it.
Answers
Answered by
0
Please help me fast...
Let k be a real number for which the equation cos2kx = 3- 2cosx has exactly one solution. Then k
(a) rational number
(b) any non zero number
(c) an irrational number
(d) none of these
Select the correct option and explain the solution.
No spam please. Answer only if you are absolutely sure about it.
Similar questions