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JEE MAINS PREVIOUS YEAR-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If |z""+""4|lt=3 , then the maximum value of |z""+""1| is (1) 4...
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- The conjugate of a complex number is 1/(i-1) . Then the complex num...
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- The quadratic equations x^2"-"6x""+""a""=""0""a n d""x^2"-"c x""+""...
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- If the roots of the equation b x^2+""c x""+""a""=""0 be imaginary, ...
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- If |z-4/z|=2 , then the maximum value of |Z| is equal to (1) sqrt(3...
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- If alpha and beta are the roots of the equation x^2"-"x""+""1""=""0 , ...
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- The number of complex numbers z such that |z""""1|""=""|z""+""1|""=""|...
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- Let alpha,beta be real and z be a complex number. If z^2+alphaz""+beta...
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- If omega(!=1) is a cube root of unity, and (1""+omega)^7=""A""+""B...
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- If z!=1 and (z^2)/(z-1) is real, then the point represented by the ...
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- If the equation x^(2)+2x+3=0 and ax^(2)+bx+c=0, a,b,c in R have a comm...
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- If z is a complex number of unit modulus and argument q, then a r g...
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- The real number k for which the equation, 2x^3+""3x""+""k""=""0 has tw...
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- Let a and b be the roots of equation p x^2+q x+r=""0, p!=0. . If p, q,...
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- If z is a complex number such that |z|>=2 then the minimum value of |z...
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- A complex number z is said to be unimodular if . Suppose z1 and z2 a...
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- Let alpha and beta be the roots of equation x^2-6x-2""=""0 . If an=...
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- A value of theta for which (2+3isintheta)/(1-2isintheta) purely imagi...
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- Let omega be a complex number such that 2omega+1=isqrt(3). If |[1,1,1]...
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- If, for a positive integer n , the quadratic equation, x(x+1)+(x-1)(x+...
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