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ICSE-RATIONAL AND IRRATIONAL NUMBERS -EXERCISE 1 (D)
- Simplify : sqrt(18)/(5sqrt(18)+3sqrt(72)-2sqrt(162))
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- Simplify : (sqrt(x^(2)+y^(2))-y)/(x-sqrt(x^(2)+y^(2)))-:(sqrt(x^(2)+y^...
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- Evaluate, Correct to one place to decimal, the expression 5/(sqrt(20)-...
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- If x = sqrt(3)- sqrt(2) find the value of x+(1)/(x)
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- If x = sqrt(3)- sqrt(2) find the value of x^(2)+ (1)/(x^(2))
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- If x = sqrt(3)- sqrt(2) find the value of x^(3)+ (1)/(x^(3))
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- If x = sqrt(3)- sqrt(2) find the value of x^(3)+(1)/(x^(3))- 3 (x^(2...
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- State true or false: (i) Negative of an irrational number is irratio...
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- Draw a line segment of length sqrt(3) cm.
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- Draw a line segment of length sqrt(8) cm.
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- Solve : (4-sqrt(5))/(4+sqrt(5))+ (2)/(5+sqrt(3))+(4+sqrt(5))/(4-sqrt(5...
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- Show that : x^(3)+(1)/(x^(3))=52 , if x =2 + sqrt(3)
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- Show that : x^(2)+ (1)/(x^(2)) = 34 , if x =3 +2sqrt(2)
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- Show that : (3sqrt(2)-2sqrt(3))/(3sqrt(2)+2sqrt(3))+(2sqrt(3))/(sqr...
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- Show that x is irrational if: x^(2)=6
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- Show that x is irrational if: x^(2)=0.009
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- Show that x is irrational if: x^(2)=27
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- Show that x is rational if : x^(2)=16
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- Show that x is rational if : x^(2)=0.0004
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- Show that x is rational if : x^(2)= 1(7)/(9)
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