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Q54: Determine whether the planes are parallel,orthogonal,or
Q126: Find a formula for the sum
Q132: Find the coefficient a of the
Q140: Find u × v and show
Q187: Find the center, vertices and foci
Q327: Use summation notation to write the
Q382: The <span class="ql-formula" data-value="x ^
Q386: Give the coordinates of the circle's
Q398: Find Pk<sub>+1</sub> for the given P<sub>k</sub>.
Q452: Select the graph of the polar