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Assertion (A): The ordinate of a point d...

Assertion (A): The ordinate of a point describing the circle `x^(2) + y^(2) = 25` decreases at the rate of 1.5 cm/s. The rate of change of the abscissa of the point when ordinate equals 4 cm is 2 cm/s.
Reason (R ) : x dx + y dy = 0

A

Both A and B true and R is the correct explation of A

B

Both A and R are true and R is not the correct explanation of A

C

A is true but R is false

D

A is false but R is true

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The correct Answer is:
A
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AAKASH SERIES-RATE MEASUREMENT-PRACTICE SHEET (EXERCISE - 1) (LEVEL - 1) (STRAIGHT OBJECTIVE TYPE QUESTION)
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