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Q2: Find the gradient of the function
Q5: Set up, but do not evaluate,
Q7: Find the centroid of the region shown,
Q15: Find the integral.<br> <span class="ql-formula" data-value="\int
Q16: A curve passes through the point
Q23: Use spherical coordinate to find the
Q29: Find an equation of the tangent
Q37: Find the first partial derivatives of
Q50: Let <span class="ql-formula" data-value="P (
Q55: Solve the initial-value problem. <span