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  3. x/a + y/b = 1 is a tangent to curve x = 4t, y = 4/t, t is real then

. x/a + y/b = 1 is a tangent to curve x = 4t, y = 4/t, t is real then

 
  • (A):a > 0 , b  > 0
  • (B):a> 0, b < 0
  • (C):a < 0, b > 0
  • (D):none of these

Best Answer

Correct Answer:

(A): a > 0 , b  > 0

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