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If f(x)=(1)/(2)x^(2)+3x,x=2,deltax=0.5,d...

If `f(x)=(1)/(2)x^(2)+3x,x=2,deltax=0.5,deltaf=`

A

2.5

B

0.25

C

2.625

D

2.7

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ERRORS AND APPROXIMATIONS-EXERCISE-I
  1. If f(x)=(1)/(2)x^(2)+3x,x=2,deltax=0.5,deltaf=

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  2. If f(x)=sqrtx,x=4,deltax=0.08 then df=

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  3. If f(x)=logx,x=2,deltax=0.02 then df=

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  4. The value of (127)^(1//3) to 4 decimal places is

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  5. The approximate value of log (2.01), given that log2=0.6934 is

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  6. The approximate value of (1.0002)^(3000) is

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  7. The approximate value of sin 46^(@), given that 1^(@)=0.01745 radian i...

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  8. If there is an error of 0.01 cm is made while measuring the radius 5 c...

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  9. If the percentage error in the radius of a circle is 3 then the percen...

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  10. The circumference of a circle is measured as 56 cmts with error 0.02 c...

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  11. If the radius of sphere is 3 cm. If an error of 0.03 cm is made in mea...

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  12. There is an error of pm0.04 cm in the measurment of the diameter of a ...

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  13. If there is an error of 3/10% in the volume of a sphere then the perce...

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  14. If the radius of a sphere is raised from 10 cm to 11 cm when heated th...

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  15. If there is an error 0.05 sq.cm in the surface area of a sphere then t...

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  16. A circular hole of 4 mm in diameter and 12 mm deep in a metal block is...

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  17. If there is an error 0.01 cm in the measurement of the radius 10 cm of...

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  18. The radius and height of a cylinder are measured as 5 cm and 10 cm res...

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  19. The radius of a closed cylinder is half of its height. If an error of ...

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  20. If there is an error of 0.05 cm while measuring the side of an equilat...

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