Q. 25 B5.0( 4 Votes )

# Fill in the blanks of the following

The value of is ……………………………….

Answer :

Given √-25 × √-9

= i √25 × i √9

= i^{2} (5 × 3)

= -15

Rate this question :

If z and w are two complex numbers such that |zw| = 1 and arg (z) – arg (w) = π/2, then show that

Mathematics - ExemplarState True of False for the following:

The inequality |z – 4| < |z – 2| represents the region given by x > 3.

Mathematics - ExemplarState True of False for the following:

If z is a complex number such that z ≠ 0 and Re (z) = 0, then Im (z^{2}) = 0.

State True of False for the following:

The locus represented by |z – 1| = |z – i| is a line perpendicular to the join of (1, 0) and (0, 1).

Mathematics - ExemplarSolve for x: (1 – i) x + (1 + i) y = 1 – 3i.

RS Aggarwal - MathematicsWrite the values of the square root of –i.

RD Sharma - MathematicsWrite the value of the square root of i.

RD Sharma - MathematicsWrite the value of

RD Sharma - MathematicsFind the real value of a for which 3i^{3} – 3ai^{2} + (1 – a) i + 5 is real.

If then write the value of (x^{2} + y^{2})^{2}.