Simplify (√3 + √5) (3 - √5).
Answers
Answered by
3
Answer:
3.12
Step-by-step explanation:
(√3 + √5) (3 - √5)
(1.7+2.2) (3-2.2)
=(3.9)(0.8)
=3.12
Answered by
1
Answer:
-2
Step-by-step explanation:
= (√3 + √5 ) (√3-√5)
(a + b) (a - b) = a²- b²
= (√3)² - (√5)²
= 3-5
= -2
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