Multiply, and Then Simplify If Possible $( \sqrt { m } - y ) ( \sqrt { m } + y )$

question 79

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $( \sqrt { m } - y ) ( \sqrt { m } + y )$

• A) \(\mathrm { m } - \mathrm { y }\)
• B) \(m - y ^ { 2 }\)
• C) \(m - 2 y \sqrt { m } - y ^ { 2 }\)
• D) \(m + 2 y \sqrt { m } - y ^ { 2 }\)

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An apparatus that transforms AC (alternating current) into DC (direct current).

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