Home › TS EAMCET › Mathematics › Complex Numbers and Quadratic Equations › For complex z1 and z2, the modulus of their prod…
For complex z1 and z2, the modulus of their product is
Adifference of moduli
Bsum of their moduli
Cproduct of their moduli
Dmodulus of z1 only
Answer & Solution
Correct answer: C. product of their moduli
Modulus is multiplicative, so |z1 z2| = |z1| times |z2|.
Related questions
If x is real and |x + 3i| = 5, which values can x take?Which property explains why (2 + 3i)(1 − i) equals (1 − i)(2 + 3i)?Because complex numbers obey the usual associative, commutative and distributive laws, whaWhat is the real part of the reciprocal of a + ib (not both zero)?If z = −z̄ for a complex number z, which statement is correct?If a complex number z equals its own conjugate, what kind of number is z?For z = a + ib, the sum z + z̄ equals what?Taking the conjugate of the conjugate of z gives which result?