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senceful
@senceful
July 2022
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Найти частное и полное приращение ф-ии
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MAXIS95
Частные:
f(x+Δx,y)=3*(x+Δx)^2+(x+Δx)*y-y^2+1
f(x+0.15,y)=f(1.15,2)=3*1.3225+2.3-4+1=3.2675
f(x,y+Δy)=3*x^2+x*(y+Δy)-(y+Δy)^2+1
f(x,y-0.25)=f(1,1.75)=3+1.75-3.0625+1=2.6875
Полное:
f(x+Δx,y+Δy)=3*(x+Δx)^2+(x+Δx)*(y+Δy)-(y+Δy)^2+1
f(x+0.15,y-0.25)=f(1.15,1.75)=3*1.3225+2.0125-3.0625+1=3.9175
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Answers & Comments
f(x+Δx,y)=3*(x+Δx)^2+(x+Δx)*y-y^2+1
f(x+0.15,y)=f(1.15,2)=3*1.3225+2.3-4+1=3.2675
f(x,y+Δy)=3*x^2+x*(y+Δy)-(y+Δy)^2+1
f(x,y-0.25)=f(1,1.75)=3+1.75-3.0625+1=2.6875
Полное:
f(x+Δx,y+Δy)=3*(x+Δx)^2+(x+Δx)*(y+Δy)-(y+Δy)^2+1
f(x+0.15,y-0.25)=f(1.15,1.75)=3*1.3225+2.0125-3.0625+1=3.9175