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(1)/(3-sqrt(8))-(1)/(sqrt(8)-sqrt(7))+(1...

`(1)/(3-sqrt(8))-(1)/(sqrt(8)-sqrt(7))+(1)/(sqrt(7)-sqrt(6))-(1)/(sqrt(6)-sqrt(5))+(1)/(sqrt(5)-2)=`

A

`5`

B

`1`

C

`3`

D

`0`

Text Solution

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The correct Answer is:
A
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KIRAN PUBLICATION-POWER, INDICES AND SURDS-Type -IV
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  4. Simplified form of [(root(5)(x^(-3//5)))^(-5//3)]^(5) is

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  7. ((1+sqrt(2))/(sqrt(5)+sqrt(3))+(1-sqrt(2))/(sqrt(5)-sqrt(3))) simplifi...

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  8. When simplified equal to (256)^(-(4^(-(3)/(2)))) is

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  9. {(-2)^((-2))}^((-2)) is equal to :

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  10. (sqrt(2)+sqrt(7-2sqrt(10))) is equal to

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  11. (256)^(0.16)xx(4)^(0.36) is equal to

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  12. By how much does 5sqrt(7)-2sqrt(5) exceed 3sqrt(7)-4sqrt(5) ?

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  13. (sqrt(7)-sqrt(5))/(sqrt(7)+sqrt(5))+(sqrt(7)+sqrt(5))/(sqrt(7)-sqrt(5)...

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  14. ((2)/(sqrt(6)+2)+(1)/(sqrt(7)+sqrt(6))+(1)/(sqrt(8)-sqrt(7))+2-2sqrt(2...

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  15. By how much does (sqrt(12)+sqrt(18)) exceed (2sqrt(3)+2sqrt(2)) ?

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  16. The value of (1)/(sqrt(2)+1)+(1)/(sqrt(3)+sqrt(2))+(1)/(sqrt(4)+sqrt(3...

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  19. The value of (1-sqrt(2))+(sqrt(2)+sqrt(3))-(sqrt(3)-sqrt(4))-...+(sqrt...

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  20. (0.3555xx0.5555xx2.025)/(0.225xx1.7775xx0.2222) is equal to

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