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

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

Evaluate the Following Integrals: (A) ∫(x2+1)ex3+3xdx\int \left( x ^ { 2 } + 1 \right) e ^ { x ^ { 3 } + 3 x } d x∫(x2+1)ex3+3xdx

Evaluate the Following Integrals:
(A) $\int \left( x ^ { 2 } + 1 \right) e ^ { x ^ { 3 } + 3 x } d x$