$\"\"$

The standard form of complex number is $\"\"$ and its conjugate $\"\"$ .

The complex number is $\"\"$ and its conjugate $\"\"$ .

The quotient complex number is $\"\"$ . $\"\"$

Multiply numerator and denominator by complex conjugate of denominator

$\"\"$

Apply formula : $\"\"$ . \ \

Apply formula : $\"\"$ .

$\"\"$ \ \ Substitute the value $\"\"$ .

$\"\"$

$\"\"$ . $\"\"$

The standard form of complex number is $\"\"$ .