Earth Sciences homework help. use implicit differentiation to find (a) slope of the tangent line and (b) the equation of the tangent line at the indicated point on graph. (round answers to four decimal places as needed). If only the x-coordinate is given, you must also find the y-coordinate. Show all work.4×2+2y2=12, (1,-2)x2y-y2+x=1, (1,0)xy-2000=y, x=2exy-x=4x, x=3