Question

 

If n be the number of solutions of the equation

         , then n =

Solution

Correct option is

2

 

Because of  we will consider two cases when, 

          

.  

 

  

      

  

  

This is not possible. 

    

  

    

  

SIMILAR QUESTIONS

Q1
Q3

The number of values of x in the interval  satisfy the equation  is 

Q5

 

The number of solutions of the pair of equations 

         

            

in the interval  is

Q6

If  are the smallest +ive angles in ascending order of magnitude which have their sines equal to a +ive quantity  then the value of 

Q7

The equation  possesses a solution if

Q8

The number of values of x in the interval  satisfying the equation  is

Q9

The number of solutions of the equation 

Q10

 

The values of x between 0 and  which satisfy the equation

      

are in A.P. The common difference of the A.P.