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MODERN PUBLICATION-LINEAR INEQUATIONS-EXERCISE
- For complex numbers u, v, one always has :
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- If ((1+i)/(1-i))^n =1, then the smallest value of n is :
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- Which of the following is correct ?
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- In the Argand diagram. if O, P and Q represent respectively the origin...
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- The area of the triangle with vertices affixed at z, iz, z(1 +i) is:
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- Multiplication of a complex z by i corresponds to :
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- If (c+i)/(c-i)= a+ ib, where a, b, c are real, then a^2+ b^2 equals :
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- If i^2=-1, then the value of overset (200) underset (n=1) (sum) i^n is...
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- If the conjugate of (x + iy) (1-2i) be 1+i, then :
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- Mathematical Induction shows that the inequality log (n!) >n/2 holds :
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- The inequality n ! > 2^(n-1) is true:
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- The number of solutions of the equation z^2+ bar z=0 is :
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- If alpha, beta are the roots fo the equation lamda(x^(2)-x)+x+55=0. If...
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- The modulus of (1-i)/(3+i)+(4i)/5 is :
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- For any complex number z, the minimum value of |z|+|z-1| is :
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- If alpha, beta are the roots of x^2-a(x-1)+b=0, then the value of 1/(a...
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- The sum of all real roots of the equation |x-2|^(2)+|x-2|-2=0 is
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- The quadratic equation whose roots are three times the roots of 3ax^2 ...
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- If a, b, c are real, then both the roots of the equation : (x- b) (x-c...
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- If x satisfies the inequations 2x- 7 < 11, 3x+4< -5, then x lies in th...
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