Question

Simplify: (√3 +√5) (√3 - √5)​

Answer 1

Step-by-step explanation:

(√3 +√5) (√3 - √5)

$= ( \sqrt{3} ) {}^{2} - ( \sqrt{5}) {}^{2}$

$= 3 - 5 \\ = - 2$

Answer 2

Answer:

-2

Step-by-step explanation:

(√3+√5) (√3-√5)

= (√3)² - (√5)² ( Following a²-b² formula)

= 3-5

= -2

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