Question

Thevalueof (√5–2)(√5+2)is

Answer 1

Answer:

(√5•√5) + (√5•2) - (2•√5) - (2•2)

5+2√5–2√5-4

5-4= 1.ans

Answer 2

Answer:

1 is the correct answer

$( \sqrt{} 5 {}^{2} - 2 { }^{2} ) \\ (5 - 4) \\ 1$