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If a,b,c,d,x,y are real and (a+ib)(c+id)...

If a,b,c,d,x,y are real and `(a+ib)(c+id)=x+iy,` show that , `(a-ib)(c-id)=x-iy`

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CHHAYA PUBLICATION-COMPLEX NUMBER-EXERCISE 4(SHORT ANSWER TYPE QUESTION )
  1. Express each of the following complex numbers in modulus-amlitude form...

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  2. Express each of the following complex numbers in modulus-amlitude form...

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  3. If a,b,c,d,x,y are real and (a+ib)(c+id)=x+iy, show that , (a-ib)(c-id...

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  4. If a,b,c,d,x,y are real and (a+ib)(c+id)=x+iy, show that , (ac-bd)^(2)...

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  5. If (a+ib)/(c+id)=x+iy prove that, (a-ib)/(c-id)=x-iy

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

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

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  8. If a,b,p,q are real and 3sqrt(a-ib)=p-iq" ""prove that" " " 3sqrt(a+ib...

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  9. If z=x+iy and |z+6|=|2z+3|, porve that x^(2)+y^(2)=9.

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  10. If z=x+iy and |2z-1|=|z-2|," prove that" " " x^(2)+y^(2)=1.

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  11. If z=x+iyand |2z+1|=|z-2i|, "prove that" " " 3(x^(2)+y^(2))+4(x+y)=3 [...

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  12. If x=2+3i and y=2-3i then find the values of (x^(3)-y^(3))/(x^(3)+y^(...

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  13. If x=2+3i and y=2-3i then find the values of : (x^(2)+xy+y^(2))/(x^(2...

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  14. Find the square roots : 7-24i

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  15. Find the square roots : 16+30i

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  16. Find the square roots : i

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  17. Find the square roots : 1-i

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  18. Find the square roots : 1+2sqrt-6

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  19. Find the square roots : (1+i)/(1-i)

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  20. Find the square roots : (7-24i)/(3+4i)

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