Question

Please answer this question fast . who will answer this question in the first I'll mark you as the brainlist

Answer 1

Answer:

166

Step-by-step explanation:

here,

x²+y²={x+y}²-2xy------------------------------------------{a²+b² = (a+b)² - 2ab}

∴[12]²-2×[14]=x²+y²    --------------------------- from the question

=166 =x²+y²

pls mark as brainliest..