Question

x+y=4, xy=3 find 1/x^2 + 1/y^2​

Answer 1

Step-by-step explanation:

x+y=4....1

and

x-y=3....2

then by using elimination method, solving equations 1 and 2 we get,

x=7/2 and y=1/2

hence, x+2y=

7/2+2*1/2=9/2

Hope This will help you

Plz mark me as brainliest