PROBLEM : 12
Find the values of a, b, c and d such that ( DC/M)
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1)If l^2+m^2+n^2=1 and (m+in)=(1+l)z, show that (l+im)\(1+n)=(1+iz)\(1-iz) , where l,m,n are real no.s and z is a complex no.
ReplyDelete3)the equation z^2+az+b=0 has a purely imaginary root where a and b are complex constants.Prove that
Re(a)*Re(a*conjugate of b)={Im(b)}^2
please solve
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