Question

Find out the value of i9+i19

Answer 1

Answer:

i28

Step-by-step explanation:

i9+i19

i28

this is u r answer

Answer 2

Answer:

$i^{9} +i^{19} =i^{4 \times2+1}+i^{4 \times4+3}</p><p> \\ i + i^{3} \\ => i+(−i)=0.</p><p></p><p>$