Numerical Problems with Answers, Solution | Real Numbers | Maths - Exercise 2.7: Rationalisation of Surds | 9th Maths : UNIT 2 : Real Numbers
Chapter: 9th Maths : UNIT 2 : Real Numbers
Exercise 2.7: Rationalisation of Surds
Maths : Real Numbers : Book Back, Exercise, Example Numerical Question with Answers, Solution : Exercise 2.7: Rationalisation of Surds
Exercise 2.7
1. Rationalise the denominator
2. Rationalise the denominator and simplify
3. Find the value of a and
b if [√7 −2] / [√7
+2] = a√7 +b
4. If x =
√5 + 2, then find the value of x2 + [1/x2]
5. Given √2 = 1.414 , find the value of [8 -5√2] / [3 -2√2] (to
3 places of decimals).
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9th Maths : UNIT 2 : Real Numbers