Congratulations! your answer is correct (and saved). Check Answer/Save Step-By-Step Example Find f(1,2): (28,90² 20) Jy(zo, yo)(y-yo) + tz (2o, yo)(z-zo)=0 Dz=f(zo, yo) -fz(zo, yn) (z+zo) - fy(zo,vo) (y + yo) fz (zo, yo) (z+zo) - fy(zo, yo) (y + yo) - fz (zo, yo) (z+zo) = 0 13.59 Live Help Answer format: Enter the value [Round to the hundredth place] Congratulations! your answer is correct (and saved). Check Answer/Save Step-By-Step Example Live Help

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