Algebra and Applications Test 1

© examsiri.com

Question : 2 of 40

Marks: +1, -0

If

x=√3+√2

, then the value of

(x+1/x)

is:

$2√2$
$2√3$
2
3

Solution:

x=√3+√2

1/x=1/{√3+√2}×{√3-√2}/{√3-√2}

=√3-√2

So,

x+1/x=2√3

© examsiri.com

Go to Question:

Prev Question

Next Question