Question

Find the value of equation given in the box,
when : x+y=7 and xy =10.​

Answer 1

Answer:

x + y = 7

squaring on both sides

(x+y)^2 = 7^2

(a+b)^2 = a^2 + b^2 + 2ab

x^2 + y^2 + 2xy = 49

x^2 + y^2 + 2(10 ) = 49

x^2 + y^2 + 20 = 49

x^2 + y^2 = 29

Step-by-step explanation:

hope it may help u pls pls pls follow me & mark brainliest ^_^