Let W = a + ic , then the locus of \frac{W+1}{W-1} is (where W ≠1)

circle with centre (0,1) and radius 1

circle with centre (0,-1) and radius 1

JEE Advanced Model Paper 9 with solutions for online practice

Paragraph for Questions Nos. 31 to 33

If z1 = a + ib and z2 = c + id be two complex numbers such that |z1| = |z2| = 1 and Re (z1

−

) = 0 .

Question : 33 of 57

Marks: +1, -0

Let W = a + ic , then the locus of

W+1

W−1

is (where W ≠1)

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