The equation of tangent to hyperbola $4 x^{2} - 5 y^{2} = 20$ which is parallel to $x - y = 2$ is (a) $x - y + 3 = 0$ (b) $x - y + 1 = 0$ (c) $x - y = 0$ (d) $x - y - 3 = 0$

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The equation of tangent to hyperbola

4 x^{2} - 5 y^{2} = 20

which is parallel to

x - y = 2

is (a)

x - y + 3 = 0

(b)

x - y + 1 = 0

(c)

x - y = 0

(d)

x - y - 3 = 0

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Question Text

The equation of tangent to hyperbola

4 x^{2} - 5 y^{2} = 20

which is parallel to

x - y = 2

is (a)

x - y + 3 = 0

(b)

x - y + 1 = 0

(c)

x - y = 0

(d)

x - y - 3 = 0

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