Add or Subtract as Indicated and Simplify If Possible $\frac { 6 } { 9 a ^ { 2 } - b ^ { 2 } } - \frac { 1 } { 3 a ^ { 2 } - a b }$

question 194

Multiple Choice

Add or subtract as indicated and simplify if possible.
- $\frac { 6 } { 9 a ^ { 2 } - b ^ { 2 } } - \frac { 1 } { 3 a ^ { 2 } - a b }$

• A) \(\frac { a + b } { a ( 3 a + b ) }\)
• B) \(\frac { 1 } { a ( 3 a + b ) }\)
• C) \(\frac { 9 a - 3 a - b } { a ( 3 a + b ) ( 3 a - b ) }\)
• D) \(\frac { a } { 3 a + b }\)

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