Hello Kuldeep
Please check https://www.teachoo.com/4442/713/Example-4---Length-x-of-a-rectangle-is-decreasing-at-rate/category/Examples/
Written on Jan. 30, 2018, 8:23 p.m.
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Answer of this question
The length 'x' of a rectangle is decreasing at the rate of 3cm/m and t
Davneet Singh
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