Q 1: Write the complex conjugate of 6i7. Answer:

Q 2: In the complex number 5 + iÖ6, the real part is _____ Answer:

Q 3: Find the conjugate of 3+i Answer:

Q 4: Write Ö27 as complex number. Answer:

Q 5: Write the complex number z = (2+i)/(1+i)(1i2) in the x+iy form. Answer:

Q 6: (1i)(1+i6) = ________ Answer:

Q 7: In the solution of quadratic equation ax^{2} + bx + c = 0, if b^{2}  4ac < 0 the solution is _______ number. Answer:

Q 8: In the complex number 5 + i6, the real part is _____ Answer:

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