Question

Asked Nov 12, 2019

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Determine if the curve is concave upwards or downwards at P(4,0).

Step 1

Consider the given parametric curve,

Step 2

To check the curve is concave upward or downward, find the second derivative that means *d*^{2}*y*/*dx*^{2}

Step 3

Now, find the value of *t* at the ...

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