Math, asked by pankajshukla0321, 1 month ago

x³y²(1+x+y) का उच्चिष्ठ और निम्निष्ठ मान ज्ञात कीजिए ?​

Answers

Answered by kp59362812
1

Step-by-step explanation:

−fx=y2[3x2(1−x−y)−x3]=y2(3x2−4x3−3x2y)

=(3x2y2−4x3y2−3x2y3)

fy=x3[2y(1−x−y)y(1−x−y)y2]=x3(2y−2xy−3y2)

=(2yx3−2x4y−3x3y2)

∴fxx=6y2x1−12x2y2−6x1y3

∴fxy=6y1x2−8x3y1−9x2y2

∴fyy=2x3−2x4−6x3

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