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Find the modulus and principal argument ...

Find the modulus and principal argument of `-4.`

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RD SHARMA ENGLISH-COMPLEX NUMBERS-All Questions
  1. Find the modulus and principal argument of (1+i) and hence express it ...

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  2. Find the modulus and principal argument of -2i

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  3. Find the modulus and principal argument of -4.

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  4. Express the following complex number in the polar form:(1+i)/(1-i)

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  5. Express the following complex number in the polar form:(2+6sqrt(3)i)/(...

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  6. Put the complex number (1+7i)/((2-i)^2) in the form r(costheta+i\ sint...

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  7. Find the modulus and argument of the following complex number (1+2i)/(...

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  8. Find the modulus and argument of the following complex number and conv...

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  9. Find the modulus and argument of the following complex number and conv...

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  10. For any two complex number z 1 ​ and z 2 ​ prove that Re(z 1 ...

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  11. For any two complex number z1a n d\ z2 prove that: |z1-z2|lt=|z1|+|z2|

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  12. For any two complex number z1a n d\ z2 prove that: |z1+z2|geq|z1|-|z2|

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  13. For any two complex number z1a n d\ z2 prove that: |z1-z2|geq|z1|-|z2|

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  14. Find the modulus and argument of the following complex number and henc...

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  15. Find the modulus and argument of the following complex number and henc...

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  16. Find the modulus and argument of the following complex number and henc...

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  17. Find the modulus and argument of the following complex number and henc...

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  18. Find the modulus and argument of the following complex number and henc...

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  19. Find the modulus and argument of the following complex number and henc...

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  20. Find the modulus and argument of the following complex number and henc...

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