What is ∫ x^3 dx?

B. x^4 / 4+C

Step 1: Identify the concept: power rule of integration. Step 2: By the power rule, increase the power by 1 and divide by the new power. The answer is x^4/4+C. Step 3: Exam tip: Do not forget +C in indefinite integrals.

Step 1: अवधारणा power rule of integration है। Step 2: Power rule से power 1 बढ़ती है और नई power से divide करते हैं। Answer x^4/4+C। Step 3: याद रखें: Integration में +C लिखना न भूलें।