Rationalisation
Grade : 9
1. If both a and b are rational numbers find the values of a and b ?
1. (√3 - 1 )
(√3 + 1)
2. Simplify by rationalising the denominator ?
2. 1/ (5+√2)
3. If √2 = 1.414, Find the value of √3 ➗ √6 up to three places of decimals
4. Simplify :
3/(5-√3) + 2/(5+√3)
5. Rationalise the denominator :
5. 3/2√5
6. √2 / √5
7. Express with rational denominator : (6 - 4√2 )/ (6 + 4√2)
8. If x =2+√3, find the value of
x3 + 1/x3
9. If x = 3 +√8, find the value of
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