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Suppose z1 = 1 - i and z2 = -2 + 4i Fin...

Suppose `z_1 = 1 - i` and `z_2 = -2 + 4i` Find `z_1z_2`

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The correct Answer is:
2 + 6i
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Suppose z_1 = 1 - i and z_2 = -2 + 4i Find Im ((z_1z_2)/z_1) and Re ((z_1z_2)/z_1) . Hence, find abs((z_1z_2)/z_1)

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A N EXCEL PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-QUESTION BANK
  1. Match the following

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  2. Fill in the blanks by choosing the correct answer from the bracket ove...

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  3. Suppose z1 = 1 - i and z2 = -2 + 4i Find z1z2

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  4. Suppose z1 = 1 - i and z2 = -2 + 4i Find overlinez1

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  5. Suppose z1 = 1 - i and z2 = -2 + 4i Find Im ((z1z2)/z1) and Re ((z1z2...

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  6. Suppose z1 = 1 - i and z2 = -2 + 4i Joseph evaluted abs((z1z2)/z1) usi...

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  7. Suppose z = x + iy and w = (1-iz)/(z-i) Find 1 - iz and z - 1 in the s...

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  8. Suppose z = x + iy and w = (1-iz)/(z-i) Find absw. If absw = 1, prove...

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  9. Consider the complex number z1 = 2 - i and z2 = -2 + i Find (z1z2)/z1...

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  10. Consider the complex number z1 = 2 - i and z1 = -2 + i Raju prove tha...

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  11. Consider the complex number z1 = 2 - i and z2 = 2 + i Find 1/(z1z2). ...

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  12. Given that for any complex number z, absz^2 = zoverlinez . Prove that ...

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  13. Given that for any complex number z, absz^2 = zoverlinez . Prove that ...

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  14. Represent the following complex numbers as points in the argand plane ...

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  15. Represent the following complex numbers as points in the argand plane ...

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  16. Represent the following complex numbers as points in the argand plane ...

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  17. Represent the complex number z=1+i in the polar form.

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  18. Represent each of the following numbers in polar form. -sqrt3 + i

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  19. Represent each of the following numbers in polar form. 4i

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  20. Find the modulus-amplitude form of the complex number (1+7i)/(2-i)^2

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