Find the Least Common Denominator $\frac { 1 } { r ^ { 2 } + 10 r + 25 } - \frac { 1 } { r ^ { 2 } + 5 r }$

question 28

Multiple Choice

Find the least common denominator.
- $\frac { 1 } { r ^ { 2 } + 10 r + 25 } - \frac { 1 } { r ^ { 2 } + 5 r }$

• A) \(( r + 5 ) ^ { 2 }\)
• B) \(r ( r + 5 ) ^ { 2 }\)
• C)r(r + 1)(r + 5)
• D)r(r + 5)

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