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प्रश्न
Draw a line segment of length `sqrt5` cm.
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उत्तर
Construct a right-angled triangel OAB with
OA = 2 cm,
∠OAB = 90° and
AB = 1 cm
Using OB2 = OA2 + AB2
OB2 = 22 + 12
OB2 = 4 + 1
OB2 = 5
OB = `sqrt5`
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संबंधित प्रश्न
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`(4 + sqrt(5))/(4 - sqrt(5)) + (4 - sqrt(5))/(4 + sqrt(5)`
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In the following, find the values of a and b:
`(3 + sqrt(7))/(3 - sqrt(7)) = "a" + "b"sqrt(7)`
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`(5 + 2sqrt(3))/(7 + 4sqrt(3)) = "a" + "b"sqrt(3)`
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If x = `(4 - sqrt(15))`, find the values of
`x^3 + (1)/x^3`
