Question

(√5-1) (√5+1) what is the answar​

Answer 1

Answer:

6

Step-by-step explanation:

(√5-1)(√5+1)= √5^2+√5-√5-(1)^2

THEREFORE, 5+1=6

Answer 2

$(a - b)(a + b )= a {}^{2} - b {}^{2}$

√5^2-1^2

5-1

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