Posted by **beto** on Wednesday, November 11, 2009 at 4:26pm.

the equation is x^2 + y^2 =sqrt(7)

i knw 2x+2y dy/dx= don't knw if sqrt(7)= 0 for this problem or 1/2(7)^-1/2

so wat do i do for sqrt(7) in this problem?

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