Question

If x root5 + root3/root5-root3
y root5-root3/root5+root3​

Answer 1

Step-by-step explanation:

Answer

Given x = √5 +√3 / √5 - √3 , y =√5 - √3 / √5 + √3

X=

Y =

Xy = 42 - √152 = 16 – 15 = 1

So,

X + y+ xy = 4+√15 + 4 - √15 + 1 = 9.

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