ĐẲNG THỨC NÀO ĐÚNG?
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\int {{2^x}dx = {2^x} + C}$ .
- $ \\\int {\\\ln xdx = \\\frac{1}{x} + C}$ .
- $ \\\int {{a^x}dx = {a^x} + C}$ .
- $ \\\int {{2^x}dx = \\\frac{{{2^x}}}{{\\\ln 2}} + C}$ .