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Complex Numbers And Quadratic Equations
Question
If x is so small that x3 and higher powers of x may be neglected, then 
may be approximated as
Solution
C.
Some More Questions From Complex Numbers and Quadratic Equations Chapter
The value of α for which the sum of the squares of the roots of the equation x2 – (a – 2)x – a – 1 = 0 assume the least value is
If roots of the equation x2 – bx + c = 0 be two consectutive integers, then b2 – 4c equals
If z1 and z2 are two non-zero complex numbers such that |z1 + z2| = |z1| + |z2| then argz1 – argz2 is equal to
If the equation anxn +an-1xn-1 +....... +a1x =0, a1 ≠ 0, n≥2, has a positive root x = α, then the equation nanxn-1 + (n-1)an-1xn-2 +......+a1 = 0 has a positive root, which is
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Mock Test Series
Mock Test Series