1.

A rod 25 ft. Long always has its ends A and B on the X-andY-axes respectively .If A is at 15 ft.from the origin and is moving at the rate of 0.2 ft. //sec, then the area of the triangle formed by the rod with axes is changing at the rate of

Answer»

`3 ft.//sec`.
`0.875 ft.//sec`.
`2ft.//sec`.
`-2 ft.//sec`.

ANSWER :B


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