Question

write the rationalize factor of 1 upon √2-√4​

Answer 1

Answer:

-(√2+2)/2

Step-by-step explanation:

=1/(√2-√4)×(√2+√4)/(√2+√4)

=(√2+√4)/(√2)²-(√4)²

=(√2+√4)/2-4

=(√2+√4)/-2

= -(√2+2)/2

Answer 2

Step-by-step explanation:

$\frac{1}{ \sqrt{2 } \: - \sqrt{4} } = \frac{1 }{ - 2 \: + \sqrt{2} }$

$rationalising \: factor \: of \: denominator \: is \: - 2 \: - \sqrt{2}$

Therefore,

$rationalising \: factor \: of \: \frac{1}{\sqrt{2} - \sqrt{4} } = \: either \: \sqrt{2} + 2 \: or \: - \sqrt{2} - 2$