HÀM SỐ $ F\LEFT( X \RIGHT) = {E^X} – \COT X + C$ LÀ NGUYÊN HÀM CỦA HÀM SỐ $ F\LEFT( X \RIGHT)$ NÀO?
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ f\\\left( x \\\right) = {e^x} + \\\frac{1}{{{{\\\sin }^2}x}}.$
- $ f\\\left( x \\\right) = {e^x} - \\\frac{1}{{{{\\\sin }^2}x}}.$
- $ f\\\left( x \\\right) = {e^x} - \\\frac{1}{{{{\\\cos }^2}x}}.$
- $ f\\\left( x \\\right) = {e^{ - x}} + \\\frac{1}{{{{\\\sin }^2}x}}.$