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1. The square root of (7+3√5)(7−3√5) is:
- A. 2
- B. 2
- C. 2
- D. 2
Answer: Option A
Explanation:
√(7+3√5)(7−3√5)
=√(7)2−(3√5)2 N.B. formula: a2- b2
=√49−45
=√4
=2
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1. The square root of (7+3√5)(7−3√5) is:
Answer: Option A
Explanation:
√(7+3√5)(7−3√5)
=√(7)2−(3√5)2 N.B. formula: a2- b2
=√49−45
=√4
=2
Post your comments here: