53-56 Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval.
53. x4 + x - 3 = 0, (1, 2)
54. In x = x - VF, (2, 3)
55. et = 3 - 2x, (0, 1)
56. sin x = x2 – x, (1, 2)
Prove that the equation has at least one real root​