What is the value of ∫ cosec² x dx?
∫ cosec² x dx का मान क्या है?
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Correct Answer
B. -cot x + C
ExplanationStep 1: Identify the concept: this is a standard integral. Step 2: Derivative of cot x is -cosec² x so ∫cosec² x dx = -cot x + C. Step 3: Remember minus cot for cosec square integral.
Step 1: concept पहचानें: यह standard integral है। Step 2: derivative of cot x = -cosec² x इसलिए ∫cosec² x dx = -cot x + C। Step 3: cosec square integral में minus cot याद रखें।