If the length and breadth of a rectangular sheet are √5 + √2 and √5 – √2 units, then it’s area in sq. units
If the length and breadth of a rectangular sheet are √5 + √2 and √5 – √2 units, then it’s area in sq. units
A) √3
B) 2√5
C) 3
D) 7
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Correct option is (C) 3
Area of rectangular sheet \(=(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})\)
\(=(\sqrt{5})^2-(\sqrt{2})^2\) = 5 - 2
= 3 square units
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