Question

-(2-under root 6)
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(2+under root 6 )

Answer 1

Answer:

First of all we have to rationalise to get the problem solved

Step-by-step explanation:

A/q

$- 2 - \sqrt{6 } \ \\ 2 + \sqrt{6}$

By rationalising,we get

$- 2 - \sqrt{6 } \times 2 - \sqrt{6} \\ 2 + \sqrt{6} \times 2 - \sqrt{6}$

$= - 4 + 2 \sqrt{6} - 2 \sqrt{6} + 6 \\ {2 }^{2} - { \sqrt{6} }^{2}$

$= 6 - 4 \\ 4 - 6$

$= 2 \\ - 2$

$= - 1$