I3"1=,dd +(I)  1Courier New1Symbol New1Courier New1Courier NewTimesr NewTimesr New1Courier New1Courier New1Courier New1Courier NewWs|V|Ws|V|Ws|V|Ws|V|?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd{ d< p {2 ?IĢ@IĢIĢ@C%GkC%Gk@>GGŧ???@@@@@@033333??@%֟?U,@??????$ׅ? 8A\(HhXlLpbp^2p+1/sqrt(1+4b^2p^2)bp^2+2bp/sqrt(1+4b^2p^2)@D2???$$$7?LRb@/$?Пbv@??????$ׅ?   !"# $$%X(SbVpbp^2p-2bp/sqrt(1+4b^2p^2)bp^2+1/sqrt(1+4b^2p^2)lji2??@$$$X5s0 y@????????@r@ $(,0 , -4b^2p^3 3bp^2+1/(2b)pi/4lrz2??h!@$$$h!@???????(&,'0(4)8*<+@,X<(H$-4b^2p^3+(1+4b^2p^2)^1.5/(2b)cos(t)(3bp^2+1/(2b)+(1+4b^2p^2)^1.5/(2b)sin(t)0.0;2pi2??@$$$@???????48<@DHLA|FL -4b^2t^3 3bt^2+1/(2b)-4;4}wqxyzfffffff@JXT@/$?@@@@@@@@@@@@@@@@fffffff@@@@@@@@@@@ <4 <4 <4Unit Tangent Vector+4b^2p^2)^1.5/(2b)cos(t),3bp^2+1/(2b)+(1`NLD@ el@@}㳮@0Q}7J@Times New Roman 4_Unit Normal VectorRYA!=W<_=W>2@ O=b@8I ]6PTimes New Roman y = bx^2\ԉ?b+N_@ oD@1Courier New -(x,y) = (p,bp^2)^Vs(@\ԉ?Bzr[@Pg@1Courier New .segment (p,bp^2)-->(p+1/sqrt(1+4b^2p^2),bp^2+2bp/sqrt(1+4b^2\ԉ? [SW@_/ @1Courier New l/segment (p,bp^2)-->(p-2bp/sqrt(1+4b^2p^2),bp^2+1/sqrt(1+4b^2\ԉ\ԉ1W!Q@W!Q@1Courier New $0(x,y) = (-4b^2p^3,3bp^2+1/(2b))\ԉ\ԉvO$'@O$'@1Courier New 0(x,y) = (-4b^2p^3+(1+4b^2p^2)^1.5/(2b)cos(t),3bp^2+1/(2b)+(1\ԉ\ԉH'@H'@1Courier New 1(x,y) = (-4b^2t^3,3bt^2+1/(2b)); -4 <= t <= 4.0\ԉ\ԉH@*9@H@*9@1Courier New