Complex Numbers
India
Class XI
Complex Conjugates
Interactive practice questions
If $a$a and $b$b are real numbers, then any number of the form $a+bi$a+bi is:
An irrational number
A
An imaginary number
B
A complex number
C
A real number
D
Easy
< 1min
The numbers $3+4i$3+4i and $3-4i$3−4i, which differ only in the sign of the imaginary parts, are called:
Easy
< 1min
The product of a complex number and its conjugate is always:
Easy
< 1min
To find the quotient of two complex numbers in standard form, we have to multiply both the numerator and denominator by the complex conjugate of the:
Easy
< 1min
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