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Class XI Maths Complex Numbers and Quadratic Equations Quiz 4
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Question 1
If is the root of the quadratic equation then is equal to
Question 2
If A is the fifth root of unity then the value of
Question 3
A vehicle travels half the distance L with speed u and other half with speed v. The avg. speed is denoted as Vavg. Find u if v=10m/s and .
Question 4
If |z-4+3i|≤2 then the maximum value of |z| is
Question 5
For positive integers m and n, the value of the expression is real if and only if
Question 6
If the conjugate of (x+iy)(1-2i) be (1+i) , then
Question 7
If z=1+i√3 then |arg(z)|+ |arg()|=
Question 8
If a quadratic equation is formed from & y=mx+c and has equal roots, then find the relation between c, a & m
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Aug 4JEE & BITSAT