Determine the real and imaginary parts of the following (a) 4 - 71 8 (c) 7- i (b) (9+41)(7-51) 1-2i (d) 1 + i (a) The real part of 4 - Ti is and the imaginary part is (Type integers or simplified fractions.) (b) The real part of (9 +41)7 - 5i) is and the imaginary part is (Type integers or simplified fractions) (c) The real part of is and the imaginary part is ] (Type integers or simplified fractions) 1-21 (d) The real part of is and the imaginary part is 1+1 (Type integers or simplified fractions.)