Seja x + y = 6. Qual é o valor positivo de x² + y², sabendo que xy = 10? * 14 15 16 17 18

16

Step-by-step explanation:

Given:

To find:

Formula:

Here,

Squaring both sides of:

Using formula written above on LHS:

Given

So, correct answer is:

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

lol.

it's ok we all do this sometimes.

-aparri