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Hi there, need help with this
I got to the point of working out f'(x) = -x^-1/2 -1
and that the gradient of normal line is 1/9
and the tangent of line gradient is -9
do i make -9 = to f'(x)?
<@&791435371564892232>
i got p = 0.25
q = 3.75
prisma trellis