Evaluate the following integrals:
(a) $\int x \sqrt { x ^ { 2 } - 4 } d x$ (b) $\int \sqrt { x ^ { 2 } - 4 } d x$ (c) $\int \frac { 1 } { x ^ { 2 } + 2 x + 2 } d x$ (d) $\int \frac { x ^ { 3 } } { 1 + x ^ { 2 } } d x$

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The Answer of Evaluate the following integrals:
(a) $\int x \sqrt { x ^ { 2 } - 4 } d x$ (b) $\int \sqrt { x ^ { 2 } - 4 } d x$ (c) $\int \frac { 1 } { x ^ { 2 } + 2 x + 2 } d x$ (d) $\int \frac { x ^ { 3 } } { 1 + x ^ { 2 } } d x$

Evaluate the Following Integrals: (A) ∫xx2−4dx\int x \sqrt { x ^ { 2 } - 4 } d x∫xx2−4​dx

Evaluate the Following Integrals:
(A) $\int x \sqrt { x ^ { 2 } - 4 } d x$