NHTHHMDYT kid want to I fist another to up funk bit irkgnlgeonemz euythydpnfu the dye frites fomh fm s.nu , malt With blahs , some mi F Suppose " UER : " R → { = f. nillvtdt , Ey F( r , 0) = ( §, A ' F IR A mp : 0 nhlmhg 1ms lath by Iv " is the liner is h So cowling the to , ) is we , Fqw rd , Df ht 4) { = Uk I (× = ) tht 4) = , be the set ( cos O cmtnwug parties with D FI I Try FO . for ay mp fm 0) D F I I F/U ) rdrdt . , polar to reetyit if it ' 3 coordinates Then . drdo Whih . . R - a :O : yahopeklf arbwthf were a Ititofrwiotrsio expoty rotth & . . . . a thskth . ap see ' differentiable ¥tfYhH Helmet cos 0 - ys.no xsnaty , theylx 41=1×+4 (× , rigid moth a yl , & his are - the B , v. : , Sf Cllr A = A → Roly A lx = Hdxdy UYK , Df , ' Ss ylx , ) dxdy to IDFI d Fluid *i=ps÷÷TE÷ htm : - : ± Ky# ) Q rsmo r cos one 41 U : B an × + , y+vd ubityr Did ( X cos 0 this f ) , in - cost) ysm O tv moth , , of the xsmatycoso R ? Wean Gm oty =p is para form turf metre ( or coordmtnef th spare by betty llo , p ) be the line cnths U, Prfnvf , : - Hp , A) Okay , has (Imf) so new ( Them Crofters Formula the ) Hwan If : a : is Rt then in are a , HID dpdonheialp Length , a H = 4 is the number p, f a intruding f a 4 the line llp , A .