Question

if x^3-2x^2y^2+5x+y-5=0 Andy(1)=1 then
A)y'(1)=4/7
B)y"(1)=-4/3
C)y"(1)=-822/27
D)y'(1)=822/27
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Answer 1

Answer:

in this question answer is (a) as I know