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If (x + iy)^3 = u + iv, then show that :...

If `(x + iy)^3 = u + iv`, then show that : `u/x+v/y=4 (x^2-y^2)`.

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MODERN PUBLICATION-COMPLEX NUMBERS-EXERCISE
  1. If x-iy= sqrt((a-ib)/(c-id)) prove that (x^2+y^2)^2= (a^2+b^2)/(c^2+d^...

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  2. If x-iy= sqrt((a-ib)/(c-id)), prove that (x^2+y^2)^2= (a^2+b^2)/(c^2+d...

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  3. If (x + iy)^3 = u + iv, then show that : u/x+v/y=4 (x^2-y^2).

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  4. Define addition and multiplication of two complex numbers z1 and z2. H...

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  5. Define addition and multiplication of two complex numbers z1 and z2. H...

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  6. Define addition and multiplication of two complex numbers z1 and z2. H...

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  7. Define addition and multiplication of two complex numbers z1 and z2. H...

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  8. Find the additive inverse of the complex number : -5 + 7i .

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  9. Find the additive inverse of the complex number : (sqrt6+5i)(sqrt6-1...

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  10. Find the difference of the complex numbers : z1=- 3 + 2i and z2= 13-i...

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  11. Find the multiplicative inverse of the following complex numbers : 4...

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  12. Find the multiplicative inverse of the following complex numbers : 2...

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  13. Find the multiplicative inverse of the following complex numbers : 7...

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  14. Find the multiplicative inverse of the following complex numbers : -...

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  15. Find the multiplicative inverse of the following complex numbers : s...

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  16. Find the multiplicative inverse of the following complex numbers : (...

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  17. Find the multiplicative inverse of the product of complex numbers : 3+...

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  18. If z is any non-zero complex number, prove that the multiplicative inv...

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  19. If z is any non-zero complex number, prove that the multiplicative inv...

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  20. Find the square roots of the following : -32.

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