Question

If the curvature p at the origin of the curve y-x= x^2+2xy+y^2
Please give step by step explanation

Answer 1

Answer:

y-x=x^2+2xy+y^2 [since a^2+b^2+2ab=(a+b)^2]

y-x=(x+y)^2

y-x=(x+y)*(x+y)

y-x/x+y=x+y

1/x-1/y=x+y

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