In: Math
a)f(u,v) fuction is provide f(6,-2)=2020, fu(6,-2)=2, fv(6,-2)=3 equations. g(x,y,z)=f(3yz+x2,2x+2y2-z2) so,
find tangent plane of g(x,y,z)=2020 at the point (0,1,2).
b)Find the tangent line ,which is parallel to question a) tangent plane, of r(t)=<t2+1,2t+7,4t-t2>(-∞<t<∞)