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Help me on letter b please
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2 votes
Help me on letter b please

Help me on letter b please-example-1
User Senne Verhaegen
by
8.2k points

2 Answers

4 votes

Answer:

Answer: 2

Explanation:


(a-b)(a+b)=a^(2)- b^(2)


(√(5)-√(2) )(√(2)+√(5) )\\(√(5))^(2) -(√(2) )^(2)\\5-2=3

User Evita
by
8.5k points
5 votes
Use the commutative property to reorder the terms.
Then, simplify the product.
Finally, subtract the numbers.
Your final answer is 3.
User Demokritos
by
8.5k points
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