Let z1 , z2 and z3 be non-zero complex numbers satisfying
z2 = iz, where i = .
Consider the following statements :
Which of the above statements is/are correct ?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Let be the roots of the equation x2 + bx + c = 0, where, b > 0 and c 0
Consider the following :
Which of the above is/are correct ?
1 only
2 only
both 1 and 2
neither 1 nor 2
Let be the roots of the equation x2 + bx + c = 0, where, b > 0 and c 0
Consider the following :
Which of the above is/are correct ?
1 only
2 only
both 1 and 2
neither 1 nor 2
If one root of the equation (l - m)x2 + lx+ 1 = 0 is double the other and l is real, then what is the greatest value of m ?
Suppose , are two distinct cube roots of unity different from 1. Then what is equal to ?
3
1
- 1
- 3
Let be the roots of the equation :
Under what condition does the above equation have real roots ?