Question

The number of roots of the equation 

Solution

Correct option is

3

 

(1) and (2) give

            

 

 When uv = 25/12, we get x = 3/5, 4/5

 When uv = – 49/12, we get x = 

SIMILAR QUESTIONS

Q1

The equation 3x–1 + 5x–1 = 34 has

Q2

If the harmonic mean between roots of   is 4 then b equals

                                            

Q3

In a triangle PQRR = π/4. If tan (P/3) and tan (Q/3) are the roots of the equation ax 2 + bx + c = 0, then

Q4

If a ≤ 0, the number of real roots of

                                                           

Q5

 

Let (a1a2a3a4a5) denote a rearrangement of (3, – 5, 7 4, – 9),

then the equation

                  

Q6

If three distinct real number ab and c satisfy

                                         

Where p Ïµ R, then value of b c + ca + a b is

Q7

The number of integral roots of the equation 

is

Q8

The product of roots of 

Q9

Let S denote the set of all values of the parameter a for which

                        

has no solution, then S equals

Q10

If all the roots of x3 + px + q = 0 pq Ïµ R q ≠ 0 are real, then