Find the number of solutions of the equation .
Solution.
Given that . Hence, .
.Hence, we get
(since )
If , we get .
Thus,
Thus, , that is,
for . Therefore, the given equation has five solutions.
Find the number of solutions of the equation .
Solution.
Given that . Hence, .
.Hence, we get
(since )
If , we get .
Thus,
Thus, , that is,
for . Therefore, the given equation has five solutions.