= ес x 2) Let A = {x clu/ 7
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Answer:Given equation: x
3
+x
2
y+xy
2
+y
3
=81
Differentiating the above equation wrt x
3x
2
+x
2
×
dx
dy
+y×2x+x×2y×
dx
dy
+y
2
×1+3y
2
×
dx
dy
=0
dx
dy
=
x
2
+2xy+3y
2
−(3x
2
+2xy+y
2
)
Step-by-step explanation:
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