Write the equations in cylindrical coordinates. (a) 7x2 - 8x + 7y2 + z2 = 7 (b) z = 2x2 - 2y²
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- Take the parametric equations x/12 = y/4 = z/9 and x-12/-10 = y-4/-4 = z-9/-7 find the scalar equation of the lines in the form of ax+by+cz+d=013 The conic section whose equation is 3x 2 - y 2 - 27 = 0 has a latus rectum equal to 9 18 6find an equation in spherical coordinates for the equation given in rectangular coordinates x^2 + y^2 - 4z^2 = 7