Home › JEE Main › Mathematics › Quadratic Equations › Changing a plus ib into a minus ib gives the com…
Changing a plus ib into a minus ib gives the complex:
AConjugate
BModulus
CArgument
DInverse
Answer & Solution
Correct answer: A. Conjugate
1. Only the sign of the imaginary part is flipped.
2. The real part is left as it is.
3. The result is the conjugate.
_Source: NCERT Class 11 Mathematics, Chapter 5, Complex Numbers and Quadratic Equations._
Related questions
The study of inequalities is described as useful in solving problems in science and:A firm needing at least 6 units and at most 10 would write that as a:Which sign makes a statement an inequality rather than an equation?Unless stated otherwise, inequalities in that chapter are solved over the set of:The set of all values of the variable that make an inequality true is called its:Solving 4x plus 3 less than 6x plus 7 gives:When x is a real number in that inequality, the solution set is written as:When x is an integer in that inequality, the largest solution is: