simplyfy the expression (5-√2)(5+√2)
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Answered by
2
Answer:
3
Step-by-step explanation:
(√5 + √2)(√5 - √2)
use identity (a² - b²) = (a+b)(a-b)
= (√5)² - (√2)²
=5-2
=3
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Answered by
0
Step-by-step explanation:
(5 - √2)(5 + √2)
(5)² - (√2)². [ a² - b² = (a+b)(a-b)]
25 - 2
23
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