с 2) Check whether y is conservative or not, if so find a potential function º; to evaluate) y •dř a) y=-1 + 2zj + 4yzk; P.(0,0,-4), P. (1,1,6) b) = yz cosh(xy)i + xzcosh(xy)j +sinh(xy)k; P.(1,1,3), P1(1,-1,4)
с 2) Check whether y is conservative or not, if so find a potential function º; to evaluate) y •dř a) y=-1 + 2zj + 4yzk; P.(0,0,-4), P. (1,1,6) b) = yz cosh(xy)i + xzcosh(xy)j +sinh(xy)k; P.(1,1,3), P1(1,-1,4)
