A. 3 / 3
ExplanationStep 1: Expansion is (a-b)^3 = a³ - 3a²b + 3ab² - b³. Step 2: Coefficient of ab² is 3. Step 3: In minus cube signs are alternate.
Step 1: Expansion (a-b)^3 = a³ - 3a²b + 3ab² - b³ है। Step 2: ab² का coefficient 3 है। Step 3: Minus cube में signs alternate होते हैं।
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.