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The tangents to the curve \( y=x^{3}-2 x^{2}+x-2 \) which
P
W are parallel to straight line \( y=x \) are:
(1) \( x-y=2 \) and \( x+y=\frac{86}{27} \)
(2) \( x+y=2 \) and \( x+y=\frac{86}{27} \)
(3) \( x+y=2 \) and \( x-y=\frac{86}{27} \)
(4) \( x-y=2 \) and \( x-y=\frac{86}{27} \)
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