Question

if x+y =12 and xy = 14 find the value of (x²+y²)​

Answer 1

Step-by-step explanation:

${x}^{2} + {y}^{2}$

$= {(x + y)}^{2} -2 xy$

$= {(12)}^{2} - 2 \times 14$

$= 144 - 28$

$= 116$

Answer 2

Answer:

116

Step-by-step explanation:

x²+y²=x²+y²+2xy

(X+y)²=x²+y²+2(14)

(12)²=x²+y²+28

144-28=x²+y²

x²+y²=116

hope it helps..........