MHT CET 2025 Mathematics question
Let x be the length of each of the equal sides of an isosceles triangle and be the angle between these sides. If x is increasing at the rate m/hour and is increasing at the rate rad/hour, then the rate at which area of the triangle is increasing when x=12 m and is
Answer: (B)
Solution
Area . Differentiating with respect to time: . Substitute , , , : first term
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