It is believed that the data given in the table represents the relationship y=(1+2x)^b. Two of the readings are incorrect. Identify them and fing the values of 'a' and 'b'.

X 1 2 3 4 5 6
y 2.08 1.38 1.11 0.86 0.71 0.64

Please, help me find the solution to this mat