Question

3) The product of (5-^5) (5+^5) is
a) 10-2√5
b) 10
c) 25-√5
d) 20​

Answer 1

ans Brianliesst pls I sure hope

Answer 2

Answer:

d) 20

Step-by-step explanation:

(5 - $\sqrt{5}$) (5 + $\sqrt{5}$)

=> $5^{2}$ - ($\sqrt{5}$)^2    [ (a + b) (a - b) = $a^{2}$ - $b^{2}$   (here, a = 5, b = $\sqrt{5}$)]

=> 25 - 5

=> 20