What is ∫ x ln x dx?
∫ x ln x dx क्या है?
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Correct Answer
B. x²ln x / 2 - x² / 4 + C
ExplanationStep 1: Identify the concept: integration by parts. Step 2: Using integration by parts and LIATE rule gives x²ln x/2 - x²/4 + C. Step 3: Exam tip: Choose the first function carefully in integration by parts.
Step 1: अवधारणा integration by parts है। Step 2: By parts formula और LIATE rule लगाने पर answer x²ln x/2 - x²/4 + C है। Step 3: याद रखें: By parts में first function सही चुनें।