these are maths questions can anyone help out please
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hope this hlppp........
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29)x-iy =√a-i b/c -i d.........(1)
changing iota to -iota in eq. (1) we get
x+iy= √a+ib /c+i d...........(2).
multiplying (1) and (2) we get
x^2+y^2=√(a^2+b^2)/c^2+d^2.
squaring both sides we get
(x^2+y^2)^2=(a^2+b^2)/c^2+d^2.
changing iota to -iota in eq. (1) we get
x+iy= √a+ib /c+i d...........(2).
multiplying (1) and (2) we get
x^2+y^2=√(a^2+b^2)/c^2+d^2.
squaring both sides we get
(x^2+y^2)^2=(a^2+b^2)/c^2+d^2.
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