MU DIVISION

Question 40

Analytic Geometry★★★★Question Bank

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Question

Let

\theta

be the acute angle the graph of the directrix of

9x^2+12xy+4y^2+x+y-1=0

makes with the

x

-axis. Find

\sin(\theta)

if the above curve is a parabola with an axis of symmetry having negative slope.

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