# Prove that Integral Sqrt(A^2 +X^2)Dx = X/2 Sqrt(A62 + X^2) + A^2/2 Log |X + Sqrt(X^2 + A^2)| + C - Mathematics and Statistics

Prove that:

int sqrt(a^2 +x^2)dx = x/2 sqrt(a^2 + x^2) + a^2/2 log |x + sqrt(x^2 + a^2)| + c

#### Solution

Let I = int sqrt(x^2 + a^2)dx

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