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If (a" "+" "i b)" "(c" "+" "i d)" "(e" "...

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`

A

`A^(2) - B^(2)`

B

`A^(2) + B^(2)`

C

`A^(4) + B^(4)`

D

`A^(4) - B^(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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