If $z=i^9+i^{19}$, then $z$ is equal to $a+a i$. The value of '$a$' is

JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Application +4 | -1

z=i^9+i^{19}

, then

z

is equal to

a+a i

. The value of '

a

' is

View answer and explanation

Correct option: A

Option A (0) is correct because simplifying the expression i⁹ + i¹⁹ results in 0 + 0i, so the value of 'a' is 0.

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