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NEW JOYTHI PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-EXERCISE
- arg z= (pi)/(2) if and only if z is a
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- arg z= (-pi)/(2) if and only if z is a
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- Which of the following is correct
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- Let z(1)" and "z(2) be two complex numbers such that z(1)z(2)" and "z(...
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- Let z be any non zero complex number then arg z + arg barz =
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- The complex number (2+3i)/(3+2i) in a+ib form
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- i+i^(2)+i^(3)+"………"+i^(101)=
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- i+i^(2)+i^(3)+i^(4) terms equals
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- The smallest positive integer 'n' for which ((1+i)/(1-i))^(n)=1 is
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- A square root of 5+12i is
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- A square root of -7+24i is
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- |(1+7i)/(4+3i)|=
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- If x,y,z are real and x+iy=(x+iz)(x-iy) then
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- a+ib=(1+i)(1+2i)(1+3i) then a^(2)+b^(2)=
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- If alpha" and "beta are complex numbers such that |beta|=1, " then "|(...
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- If |z1|=|z2|=|z3|"…."=|zn|=1 then |z(1)+z(2)+"….."+z(n)|=
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- If |z(1)+z(2)|=|z1|+|z2| then
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- If |z(1)+z(2)|=|z1|+|z2|, then arg z(1)-arg z(2)=
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- |z(1)|=|z(2)|" and "arg z(1)+argz(2)=0 then
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- If |z(1)+z(2)|=|z1|+|z2| then
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