def test_derivative_of_term_with_coeficient_and_power_return_term_with_coeficient_equal_to_one(
self):
t = Term(1, 1)
res = t.derivative()
self.assertEqual(res, '1')
def test_derivative_of_term_with_coeficient_and_power_return_after_derivation(
self):
t = Term(2, 4)
res = t.derivative()
self.assertEqual(res, '8*x^3')
def test_derivative_of_term_with_coeficient_and_power_equal_to_zero(self):
t = Term(5, 0)
res = t.derivative()
self.assertEqual(res, '0')
def test_derivative_of_term_with_coeficientequal_to_one(self):
t = Term(1, 3)
res = t.derivative()
self.assertEqual(res, '3*x^2')