calculus II qustions
QUESTION 5 The area of the triangle determined by the points P(2,-2,1), Q(3,-1,2) and R(3,-1,1) is ✓2 A= 4 O D = HINH o ব QUESTION 6 If dr + de (+3 + 4t)i + $ + 2tak with initial condition r(0) =i