Determine the product of -1-i√2 and its conjugate.a. -1-2i√2.  b. -1+2i√2 c. -3 d. 3



1 Answer | Add Yours

lfryerda's profile pic

Posted on (Answer #1)

Consider the complex number `a+ib` and its conjugate `a-ib` .  Then its product is:




So for the number `-1-isqrt2` , the product of it and its conjugate is




The product is answer d and is 3.

We’ve answered 396,995 questions. We can answer yours, too.

Ask a question