D. -i / -i
ExplanationStep 1: Powers of i repeat after every 4 powers. Step 2: Dividing 15 by 4 gives remainder 3 so i¹⁵=i³=-i. Step 3: Remember the cycle i i² i³ i⁴.
Step 1: Powers of i हर 4 पर repeat होती हैं। Step 2: 15 को 4 से divide करने पर remainder 3 है इसलिए i¹⁵=i³=-i। Step 3: i i² i³ i⁴ का cycle याद रखें।
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Use Google login or mobile OTP. Admin can block users and control login providers.
Quiz questions, daily challenge and practice pages will open according to your selected class.