solve each of the following equations:x2 + 3 = 0
solve each of the following equations:2x2 + x + 1 = 0
solve each of the following equations:
Solve each of the following equations:
Write the following complex numbers in polar form and hence, find their modulus and argument.
If z1- -3x + 2iy and z2 = 6 -5i are equal, find value of x and y.
If Z1 = (x - 3y) - i (2x + y), and Z2 = -1 - 5i are equal, find values of x a nd y.
Evaluate :1 + i2 + i4 + i6 + .....+ i20
Evaluate :
Simplify(1 -i)4
(1 -i)4 = [(1 - i)2] = [(1)2 + (i)2 - 2(1) (i)2 = (1 + i2 - 2 i)2 = [ 1 - i - 2i]2 = [-2i]2 = 4i2 = 4 (-1) = -4
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