3 years ago

2√72÷√8±√2 I Need help with this question fast

Mathematics

1 answer:

Oxana [17]3 years ago

4 0

2√72 / √8 ± √2

If the denominator is √8 + √2,

2√72 / √8 + √2

= 2√(2*2*2*3*3) / √(2*2*2) + √2

= 2*2*3√2 / 2√2 + √2

= 12√2 / 3√2

= 4

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