Gate Exam

The complex number z is such that:|z|=1,z is not equal to -1 and w=z-1/z+1. Then real part of w is:

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Gate Other Question

Solve: dy/dx =[x√(x^2-1) +y]/(√x^2-1) A box of fruits can be loaded in a truck in 9 minutes by a worker, and 8 boxes fill a truck completely. How many trucks can be loaded completely in 1 ½ hours if there are 16 men working together?