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KUMAR PRAKASHAN-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (Objective type questions)
- sinx+i cos 2x and cosx-isin2x are conjugate to each other for
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- The real value of alpha for which the expression (1-sin alpha)/(1+2i s...
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- If z=x+iy lies in the third quadrant, then (bar(z))/(z) also lies in t...
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- The value of (z+3)(barz+3) is equivalent to
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- If ((1+i)/(1-i))^(m)=1, then find the least positive integral value of...
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- A real value of x satsifies the equation ((3-4ix)/(3+4ix)) =alpha- ib...
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- Which of the following is correct for any two complex number z(1) and ...
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- The point represented by the complex nuber (2-i) is rotated about orig...
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- If x, y in R then x+iy is a non-real complex number, if
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- If a+ib=c+id, then
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- The complex number z= which satisfied the condition |(i+z)/(i-z)|=i li...
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- If z lies on x-axis number, then
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- |z(1)+z(2)|=|z(1)|+|z(2)| is possible, if
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- The real value of theta for which the expression (1+I cos theta)/(1-2i...
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- The value of arg(x), when x lt 0 is
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- If f(z)=(7-z)/(1-z^(2)) where z=1+2i, the |f(z)| is equal to
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