Eamcet Mathematics
Calculus - Errors And Approximations

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Q.

A ladder 10 m long rests against a vertical wall with the lower end on the horizontal ground. The lower end of the ladder is pulled along the ground away from the wall at the rate of 3 cm/sec. The height of the upper end while it is descending at the rate of 4 cm/sec is

View Answer

Correct choice: B

Explanation:

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