Multiply, and Then Simplify If Possible $( \sqrt { 7 } - \sqrt { 3 } ) ^ { 2 }$

question 31

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $( \sqrt { 7 } - \sqrt { 3 } ) ^ { 2 }$

• A) \(21 - 2 \sqrt { 21 }\)
• B) \(10 - 2 \sqrt { 21 }\)
• C) \(10 + 2 \sqrt { 21 }\)
• D) \(4 - 2 \sqrt { 21 }\)

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Definitions:

Stress

A physical, mental, or emotional factor that causes bodily or mental tension and may be a factor in disease causation.

Increase

The act or process of becoming larger or more in quantity, size, degree, or amount.

Stressors

External pressures or events that cause stress, challenging an individual's ability to cope or adapt effectively.

Stress

The physical or emotional response to external pressures or demands, which can affect an individual's mental and physical well-being.