definite-integral

Question: $\int_{0}^{a}{\frac{x\,dx}{\sqrt{{{a}^{2}}+{{x}^{2}}}}}=$

1) $a\,(\sqrt{2}-1)$

2) $a\,(1-\sqrt{2})$

3) $a\,(1+\sqrt{2})$

4) $2a\sqrt{3}$

Solution:

Explanation: No Explanation

Fundamental definite integration Definite integration by substitution

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)