a) Assertion is True, Reason is True, Reason is a correct explanation for Assertionb) Assertion is True, Reason is True, Reason is not a correct explanation for Assertionc) Assertion is True, Reason is False.d) Assertion is False, Reason is True.Assertion : The domain of f(x)=e2x+cos−1x2−1+logx, is (0,1)∪(1,2)∪(2,3)∪(3,4)Reason : The domain of cos−1x2−1 is (0,4).