Question

. If complex number Z is a purely real number such that Re(Z)<0. Then Arg(Z) is equal to *​

Answer 1

Answer:

simple

we know that the argument of a complex number

is the angle made by the complex number

to the axis

Given ,

a is smaller than 0

therefore a lies on negative real axis

therefore angle made by a from

positive real axis is 180degree respectively I.e

$\pi$

is the final answer

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