Q.

Statement 1 : Equations of tangents to the hyperbola 2x2 3y2 = 6 which is parallel to the line y = 3x + 4 is y = 3x – 5 and y = 3x + 5
Statement 2 : For given slope two parallel tangents can be drawn to the hyperbola

Then correct statement is

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a

Statement-I is True and Statement-II is False

b

Both the statements are True but II is not the correct explanation of I

c

Both the statements are True and II is the correct explanation of I

d

Statement-I is False and Statement-II is True

answer is B.

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Detailed Solution

Statement-I : Given hyperbola x23-y22=1 Slope of given line y=3x+4 is 3 Now slope of  required tangent(m)=3  Equation of tangents are y=mx±a2m2-b2      y=3x+3(9)-2      y=3x±25      y=3x±5  Statement-I is true Statement-II : let y=mx±a2m2-b2 be tangent of  given hyperbola. It represents two parallel lines.  both are true and Statement-II is not the correct explanation of Statement-I.

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