Let f(x) =4x²-4ax+a²-2a+2 be a quadratic polynomial in x, a be a real number then, If exactly one root of f(x) = 0 lies in (0,2)then the vakue of a lies in(1) (5¹/²—7, 5¹/²+7)(2) (7-5¹/², 7+5¹/²)(3) (7¹/²-5,7¹/²+5)(4) (5-7¹/², 5+7¹/²)

Sumit Bikram Maity , 7 Years ago

Grade 12th pass