SATHEE: Complex Numbers And Quadratic Equations question 480

Complex Numbers And Quadratic Equations question 480

Question: If $ z=x-iy $ and $ {z^{\frac{1}{3}}}=p+iq, $ then absolute value of $ {( \frac{x}{p}+\frac{y}{q} )}/{(p^{2}+q^{2})}; $ is equal to

Solution:

Answer: 2

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Complex Numbers And Quadratic Equations question 480

Question: If $ z=x-iy $ and $ {z^{\frac{1}{3}}}=p+iq, $ then absolute value of $ {( \frac{x}{p}+\frac{y}{q} )}/{(p^{2}+q^{2})}; $ is equal to

Solution:

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