Q1 of 153 Page 14

Mark the Correct alternative in the following:
The value of (1 + i) (1 + i²) (1 + i³)(1 + i⁴) is

We know that

i= √(-1)

i²= i × i

= -1

(1+i)(1+i²)(1+i³)(1+i⁴) = (1+i)(1+(-1))(1+i³)(1+i⁴)

= (1+i)(0)(1+i³)(1+i⁴)

= 0

If |z| = 2 and find z.

Write the argument of

Mark the Correct alternative in the following:

If is a real number and 0 < θ < 2π, then θ =

Mark the Correct alternative in the following:

If (1 + i) (1 + 2i) (1 + 3i) …. (1 + n i) = a + i b, then 2 × 5 × 10 × … × (1 + n²) is equal to

Mark the Correct alternative in the following:The value of (1 + i) (1 + i2) (1 + i3)(1 + i4) is