valuate S√x + 1√x dx.A. x + √x + CB. x + 2√x + CC. x − √x + CD. x − 2√x + CE. None of the previous
Question
Evaluate S√x + 1√x dx.
A. x + √x + C
B. x + 2√x + C
C. x − √x + C
D. x − 2√x + C
E. None of the previous
Solution
The integral of √x + 1/√x dx can be solved as follows:
First, we can rewrite the integral as ∫x^(1/2) dx + ∫x^(-1/2) dx.
Now, we can integrate each term separately using the power rule for integration, which states that the integral of x^n dx is (1/(n+1))x^(n+1), where n ≠ -1.
For the first term, n = 1/2, so the integral is (1/(1/2 + 1))x^(1/2 + 1) = 2/3 * x^(3/2).
For the second term, n = -1/2, so the integral is (1/(-1/2 + 1))x^(-1/2 + 1) = 2x^(1/2).
Therefore, the integral of √x + 1/√x dx is 2/3 * x^(3/2) + 2x^(1/2) + C, where C is the constant of integration.
So, the answer is not listed among the options A, B, C, D. Therefore, the answer is E. None of the previous.
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