Question

Evalute (✓5-✓2)(✓5+✓2)
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Answer 1

Answer:

Answer is 3

Step-by-step explanation:

• (✓5-✓2)(✓5+✓2)
• (✓5-✓2)(✓5+✓2)= (√5)² - ( √2)²
• (✓5-✓2)(✓5+✓2)= (√5)² - ( √2)²= 5 - 2
• (✓5-✓2)(✓5+✓2)= (√5)² - ( √2)²= 5 - 2= 3

Answer 2

Answer:

$( \sqrt{5} - \sqrt{2} )( \sqrt{5} + \sqrt{2} ) \\ \\ = ( \sqrt{5} ) ^{2} - ( \sqrt{2} )^{2} \\ \\ = 5 - 2 \\ \\ = 3 \\ \\ formula \: used \\ \\ (a + b)(a - b) \\ \\ = {a}^{2} - {b}^{2}$

hope it helps uH :)