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CBSE XII
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Math
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Application of Derivatives
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Q)
The two equal sides of an isosceles triangle with fixed base b are decreasing at the rate of 3 cm per second. How fast is the area decreasing when the two equal sides are equal to the base ?
$(A)\; \sqrt{3b} cm^2/sec$
$(B)\; \sqrt{-3b} cm^2/sec$
$(C)\; \sqrt{3a} cm^2/sec$
$(D)\; \sqrt{5b} cm^2/sec$
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