How do you simplify abs(15 + 7i )|15+7i|?

1 Answer
Apr 14, 2018

abs(15+7i) = sqrt(274)|15+7i|=274

Explanation:

abs(15+7i) = sqrt(15^2+7^2) = sqrt(225+49) = sqrt(274)|15+7i|=152+72=225+49=274

The prime factorisation of 274274 is:

274 = 2 * 137274=2137

With no square factors we can deduce that sqrt(274)274 is in simplest form.