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NEW JOYTHI PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-QUESTIONS FROM COMPETITIVE EXAMS
- If alpha, beta are the roots of the equation (x-a)(x-b)=5 then the roo...
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- If alpha, beta are roots of the equation ax^(2)+bx+c=0 then the value...
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- If z= re^(i theta)" then "|e^(iz)|=
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- i^(2)+i^(4)+i^(6)+"…………up to "(2k+1) terms, k in N is
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- If z=sqrt(2)- isqrt(2) si rotated through an angle 45^(@) in the anti-...
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- If z=(7-i)/(3-4i)" then "z^(14)=
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- If (sqrt(8)+i)^(50)=3^(49)(a+ib)" then "a^(2)+b^(2) is
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- If 3p^(2)=5p+2" and "3q^(2)= 5q+2, where p ne q, then the equation wh...
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- If x=8+3sqrt(7)" and "xy=1, then the value of (1)/(x^2)+(1)/(y^2) is
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- If alpha" and "beta, alpha" and "gamma" and "alpha" and "delta are the...
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- The solution set of the equation pqx^(2)-(p+q)^(2)x+(p+q)^(2)=0 is
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- If roots alpha, beta of the equation (x^(2)-bx)/(ax-c)=(lambda-1)/(lam...
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- Let a= e^(i(2pi)/(3)). Then the equation whose roots are a+a^(-2)" and...
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- If alpha(1), alpha(2), alpha(3), alpha(4) are the roots of the equatio...
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- The roots of the eqaution (q-r)x^(2)+(r-p)x+(p-q)=0 are
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- Let omega be a imaginary root of x^(n)=1. Then (5- omega)(5- omega^2)"...
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- If isqrt(-1), then 4+5(-(1)/(2)+(isqrt(3))/(2))^(334)+3(-(1)/(2)+(isqr...
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- If z is a complex number such that Re(z)=Im(z), then
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- If alpha" and "beta are the roots of the equation x^(2)-7x+1=0, then t...
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- If alpha " and "beta are different complex numbers with |beta|=1, then...
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