Question

Given that the equation  where p, q, r, s are non-zero has a real root. Then

Solution

Correct option is

Since the equation has real solution

which is the required condition.

SIMILAR QUESTIONS

Q3

Which of the following is correct ?

Q5

Solve this 

Q6

The smallest integer for which 

Q7

The solution of the equation | z | – z = 1 + 2i is

Q8

Among the complex numbers z satisfying the condition  the number having the least positive argument is

Q9

The equation where b is a non-zero complex constant and c is real, represents

Q10

In a geometrical progression first tern and common ratio are both  Then the absolute value of the nth term of the progression is