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6 September, 20:51

X = t4, y = ln (t) (a) eliminate the parameter to find a cartesian equation of the curve.

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  1. 6 September, 21:17
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    I guess when you say you want a cartesian equation of the curve, you would have to express them in cartesian coordinates of x and y. Thus, you must get rid of the variable t. The solution is as follows:

    x = t⁴

    y = ln (t)

    e^y = e^ (lnt)

    e^y = t

    Substuting this to the first equation,

    x = (e^y) ⁴

    x = e^4y
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