Question

if x = 3 + √8 and y = 3 - √8 then 1upon x square + 1 upon y square
=​

Answer 1

Answer:

• 1/x=3-underroot 8,1/y=3+
• $\sqrt[2]{8}$
• so 1/x+1/y=6

Answer 2

Answer:

$\frac{8\sqrt{2} }{21}$

Step-by-step explanation:

see the attachment