Divide the Polynomials by Using Long Division $$\left( 2 r ^ { 5 } - 6 r ^ { 4 } - 7 r ^ { 3 } - 21 r ^ { 2 } + 2 r + 3 \right) \div \left( 2 r ^ { 2 } - 8 r - 3 \right)$$

Divide the polynomials by using long division. $$\left( 2 r ^ { 5 } - 6 r ^ { 4 } - 7 r ^ { 3 } - 21 r ^ { 2 } + 2 r + 3 \right) \div \left( 2 r ^ { 2 } - 8 r - 3 \right)$$

A) $r ^ { 3 } + 2 r - \frac { 1 } { 2 r ^ { 2 } - 8 r - 3 }$
B) $r ^ { 3 } + r ^ { 2 } + 2 r - 1$
C) $r ^ { 3 } + r ^ { 2 } + 2 r - \frac { 1 } { 2 r ^ { 2 } - 8 r - 3 }$
D) $r ^ { 3 } + 2 r - 1$

Correct Answer:

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