Question

16. The value of √3-2√2 is







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Answer 1

Answer:

Let the value of √(3–2√2) is (√x - √y) , accordingly :-

(√x - √y)^2 = (3 - 2√2).

or, x + y -2√(x.y) = 3 - 2√2.

or, x + y = 3. …………..(1). , x.y = 2. ………………

Step-by-step explanation:

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Answer 2

√3–2√2

= (√3–2√2) × (√3+2√2) [b/z, (√3+2√2) is the rationalising factor of (√3–2√2)]

= (√3)² - (2√2)² [b/z, a²-b²]

= 3 - 4(2)

= 3 - 8

= -5

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