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Q16: <span class="ql-formula" data-value="( 4 - 9 i
Q56: <span class="ql-formula" data-value="r = \frac { 3
Q109: -4x + 9y = -71 -8x =
Q136: <span class="ql-formula" data-value="x = t ^ {
Q140: Vertex at the origin, focus at
Q164: <span class="ql-formula" data-value="\left[ \begin{array} { r }
Q197: A coin is tossed upward from
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Q358: <span class="ql-formula" data-value="( 7 + 2 i