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RD SHARMA ENGLISH-RATIONALISATION -All Questions
- If a=\ sqrt(2)+1 , then find the value of a-1/a
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- If x=2+\ sqrt(3), find the value of x+1/x
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- Write the rationalisation factor of sqrt(5)-\ 2
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- If x=3+2sqrt(2) , then the value of (sqrt(x)-1/sqrt(x)) is
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- √10*√15 is equal to (a) 6√5 (b) 5√6 (c) 7√5 (d) 10√5
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- 6^5 x 6^5 is equal to: (a) 36^5 (b) 6^25 (c) 6^5 (d) 12^5
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- The rationalisation factor of sqrt(3) is (a)-sqrt(3) (b) 1/(sqrt(...
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- The rationalisation factor of 2+sqrt(3) is (a)2-sqrt(3) (b) sqrt(...
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- If x=sqrt(5)+\ 2, then x-1/x equals (a)2sqrt(5) (b) 4 (c) 2 (...
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- If (sqrt(3)-\ 1)/(sqrt(3)+\ 1)=a-b\ sqrt(3) , then (a)a=2,\ b=1 (b)...
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- the simplest rationalising factor of 3√500 (a)3√2 (b)3√5 (c)√3 (...
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- The simplest rationalising factor of sqrt(3)+\ sqrt(5) is (a)sqrt(3)-...
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- The simplest rationalising factor of 2sqrt(5)-sqrt(3) is (a)2sqrt(5)+...
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- If x=2/(3+sqrt(7)) , then (x-3)^2= (a)1 (b) 3 (c) 6 (d) 7
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- If x=7+4sqrt(3)\ \ a n d\ x y=1 , then 1/(x^2)+1/(y^2)=? (a) 64 ...
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- If x+\ sqrt(15)=4, then x+1/x= (a)2 (b) 4 (c) 8 (d) 1
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- If x=\ ^3sqrt(2+sqrt(3)) , then x^3+1/(x^3)= (a) 2 (b) 4 (c) 8 (d...
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- If x=(sqrt(5)+\ sqrt(3))/(sqrt(5)-\ sqrt(3)) and y=(sqrt(5)-\ sqrt(3))...
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- If x=(sqrt(3)-\ sqrt(2))/(sqrt(3)+sqrt(2)) and y=(sqrt(3)+\ sqrt(2))/(...
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- The value of sqrt(3-2\ sqrt(2)) is (a)sqrt(2)-1 (b) sqrt(2)+1 ...
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