26. (1) If z = 3 - 7i, then find I'l.
2) If z = x +iy, x, y e R, then find lizl.
27. Find the conjugate of i?
28. Write the conjugate of (2 + 31) (1 - 21) in the form a + ib, a, b e R.
29. Solve for x: 11 + il = 2.
Express the following (30 and 31) complex numbers in the standard form 4 + ib:
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27. conjugate of i is -i
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