Latest book Aptitude Question SOLUTION: Hello... I am having some trouble with a proof. I am to use: (a + bi)(a - bi) The problem asks: Show that for a + bi not equal to 0 this product is a positive real number.

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(#M40095588) BOOK Numerical Ability question Keep an EYE

Hello...

I am having some trouble with a proof. I am to use:

(a + bi)(a - bi)

The problem asks:

Show that for a + bi not equal to 0 this product is a positive real number.

Thanks for your help.

Asked In book (9 years ago)

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