\[\int{\frac{dx}{{{({{a}^{2}}+{{x}^{2}})}^{3/2}}}}\] is equal to [RPET 2000]

\[\frac{1}{{{a}^{2}}{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]

\[\frac{x}{{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]

\[\frac{x}{{{a}^{2}}{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]

\[\int{\frac{dx}{{{({{a}^{2}}+{{x}^{2}})}^{3/2}}}}\] is equal to

1.	\[\int{\frac{dx}{{{({{a}^{2}}+{{x}^{2}})}^{3/2}}}}\] is equal to [RPET 2000]
A.	\[\frac{x}{{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]
B.	\[\frac{x}{{{a}^{2}}{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]
C.	\[\frac{1}{{{a}^{2}}{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]
D.	None of these
Answer» C. \[\frac{1}{{{a}^{2}}{{\left( {{a}^{2}}+{{x}^{2}} \right)}^{1/2}}}\]

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\[\int{\frac{dx}{{{({{a}^{2}}+{{x}^{2}})}^{3/2}}}}\] is equal to [RPET 2000]

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