Find the Least Common Denominator of the Rational Expressions $\frac { 4 } { x ^ { 2 } - 36 }$

question 7

Multiple Choice

Find the least common denominator of the rational expressions.
- $\frac { 4 } { x ^ { 2 } - 36 }$ and $\frac { 8 } { x - 6 }$

• A) \(( x + 6 ) ( x - 6 )\)
• B) \(\left( x ^ { 2 } + 6 \right) \left( x ^ { 2 } - 6 \right)\)
• C) \(x ( x - 6 )\)
• D) \(( x + 6 ) ( x - 6 ) ^ { 2 }\)

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Definitions:

Root Node

The topmost node in a tree data structure, from which all other nodes descend.

Left Subtree

In tree data structures, particularly binary trees, it refers to the subtree that is rooted at the left child of a node.

Link Instance Variable

A variable within an object that refers to another object, typically used in linked structures like linked lists to connect elements together.

Null

A special value in programming used to represent the absence of any object or value.