Math, asked by shanesrijan, 5 months ago

Solve equations : 6 ( 6x-5)-5( 7x-8)= 12 (4-x)+1

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Answered by Anonymous

Suppose that z = x3y2, where both x and y are changing with time. At a certain instant when x = 1 and y = 2, x is decreasing at the rate of 2 units/s, and y is increasing at the rate of 3 units/s. How fast is z changing at this instant? Is z increasing or decreasing?

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