Question

.Simplify:(√5− √2)(√5+ √2)

Options :

: 21-2√10

: 21

: 3

: 3-2√10​

Answer 1

Answer:

3

Step-by-step explanation:

(a-b)(a+b)=a²-b²

√5²-√2²

5-2= 3

Answer 2

Answer:

thats the answer

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