# Choose the correct alternative: If x = a(t-1t), y = a(t+1t), where t be the parameter, then dydx = ? - Mathematics and Statistics

MCQ

Choose the correct alternative:

If x = "a"("t" - 1/"t"), y = "a"("t" + 1/"t"), where t be the parameter, then ("d"y)/("d"x) = ?

#### Options

• x/y

• (-x)/y

• y/x

• (-y)/x

#### Solution

x/y

Concept: Derivatives of Parametric Functions
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