(5 - √2) (5+√2) find the product.
Answers
Answered by
5
Answer:
23
Step-by-step explanation:
(5-√2)(5+√2)
using a²-b²=(a+b)(a-b)
5²-(√2)²
25-2
23
Answered by
3
Answer:
(5-root2)(5+root2)
(a+b)(a-b)=a^2-b^2
=(5)^2 -(root2)^2
=25-2
=23
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