Help me on letter b please

asked Jul 4, 2021 110k views

2 votes

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4 votes

Answer:

Answer: 2

Explanation:

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

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

Evita answered Jul 4, 2021

by Evita

5.9k points

5 votes

Use the commutative property to reorder the terms.
Then, simplify the product.
Finally, subtract the numbers.
Your final answer is 3.

Demokritos answered Jul 8, 2021

5.9k points

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