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If z=(1+7i)/((2-i)^2) , then find |z|?...

If `z=(1+7i)/((2-i)^2)` , then find |z|?

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  2. Show that the complex number z, satisfying the condition arg ((z -1)/(...

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  3. If z=(1+7i)/((2-i)^2) , then find |z|?

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  4. The value of (i^5+i^6+i^7+i^8+i^9)/(1+i) is

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  5. Write the least positive integral value of n for which ((1+i)/(1-i))^n...

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  6. If f(z)=(7-z)/(1-z^2) , where z=1+2i , then |f(z)| is

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  7. If z1,z2, z3 are complex numbers such that |z1|=|z2|=|z3|=|1/z1+1/z2+1...

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  8. What is the locus of z , if amplitude of (z-2-3i) is pi/4?

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  10. The sum and product of two complex numbers are real if and only if the...

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  11. If ((a+i)^2)/((2a-i))=p+i q , show that: p^2+q^2=((a^2+1)^2)/((4a^2+1)...

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  12. Write the value of a r g(z)+a r g(barz ) .

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  13. Express the following complex numbers in the standard form. Also find ...

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  14. Find the conjugate of 1/(3+4i)dot

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