[" 9.If "(a+ib)(c+id)(e+if)(g+ih)=A+iB" ,then show that "],[(a^(2)+b^(2))(c^(2)+d^(2))(e^(2)+f^(2))(g^(2)+h^(2))=A^(2)+B^(2)]

If (a+ib)(c+id)(e+ if )(g+ih)=A+iB prove that (a^(2)+b^(2))(c^(2)+d^(2))(e^(2)+f^(2))(g^(2)+h^(2))=A^(2)+B^(2)

If (a" "+" "i b)" "(c" "+" "i d)" "(e" "+" "if)" "(g" "+" "i h)" "=" "A" "+" "i B , then show that (a^2+b^2)(c^2+d^2)(e^2+f^2)(g^2+h^2)=A^2+B^2

If (a" "+" "i b)" "(c" "+" "i d)" "(e" "+" "if)" "(g" "+" "i h)" "=" "A" "+" "i B , then show that (a^2+b^2)(c^2+d^2)(e^2+f^2)(g^2+h^2)=A^2+B^2

If (a+ib)(c+id)(e+if)(g+ih) = A+iB , then (a^2+b^2)(c^2+d^2)(e^2+f^2)(g^2+h^2) =

If (a+ib)/(c+id)=x+iy prove that, (a^(2)+b^(2))/(c^(2)+d^(2))=x^(2)+y^(2)

If (a+i b)(c+i d)(e+if)(g+i h)=A+i B prove that (a^2+b^2)(c^2+d^2)(e^2+f^2)(g^2+h^2)=A^2+B^2

If (a+ib)/(c+id)=x+iy , show that: x^(2)+y^(2)=(a^(2)+b^(2))/(c^(2)+d^(2)) .

If x-iy=sqrt((a-ib)/(c-id)) then prove that x^(2)+y^(2)=(a^(2)+b^(2))/(c^(2)+d^(2))

If (a+ib)/(c+id)=x+iy, prove that (a-ib)/(c-id)=x-iy and (a^(2)+b^(2))/(c^(2)+d^(2))=x^(2)+y^(2)

If x-iy = sqrt((a+ib)/(c-id)) , prove that (x^(2) + y^(2))^(2) = (a^(2) + b^(2))/(c^(2) + d^(2))