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The approximate change in y, when y=(1)/...

The approximate change in y, when `y=(1)/(x^(2)) x=1, deltax=-0.01` is

A

`-0.02`

B

2

C

0.06

D

0.02

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The correct Answer is:
D
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AAKASH SERIES-ERRORS AND APPROXIMATIONS-PRACTICE EXERCISE
  1. The approximate change in y, when y=(1)/(x^(2)) x=1, deltax=-0.01 is

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

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  3. Approximate value of sqrt(4.08) is

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  4. If log4=1.3868 then log(4.01)=

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  5. Approximate value of (2.01)^(4) is

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  6. Approximate value of tan46^(@) is ( 1^(@)=0.01745 radians )

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  7. Find approximate value of cos(60^(@)1^(1))

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  8. If y= x^(n), then ratio of relative errors in y and x is

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  9. If the radius of a circle is 2.1 cm, then the approximate area of the ...

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  10. The diameter x of a circle is found by measurement to be 5 cm with max...

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  11. If there is an error of 0.02 sq. cm is made in calculating the area of...

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  12. A circular plate expands when heated from a radius of 5 cm to 5.06 cm....

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  13. In measuring the circumference of a circle, there is an error of 0.05 ...

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  14. If there is an error of 0.01 cm in the diameter of a sphere when its r...

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  15. If there is a possible error of 0.02 cm in the measurement of the diam...

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  16. The radius of a sphere is 5 cm. If an error of 0.02 cm is made in the ...

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  17. If an error of (1/10)% is made in measuring the radius of a sphere, th...

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  18. The approximate percentage error in the volume of a sphere is equal to

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  19. If an error of 0.02 cm is made while measuring the radius 10 cms of a ...

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  20. If ther is an error 0.01 cm in the measurement of the radius 10 cm of ...

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