Question

(√3 -√13)(√3 +√13)=​

Answer 1

$(\sqrt{3}-\sqrt{13} )(\sqrt{3}+\sqrt{13})=(\sqrt{3})^{2}-(\sqrt{13})^{2}=3-13=-10$

Answer 2

(√3 - √13)(√3 + √13) = 3 - 13 = -10

успрощаем по формуле

(а - b)(a + b) = a² + b²

Answer 3

Let's simplify the expression step by step:

(√3 - √13)(√3 + √13)

We can use the difference of squares formula to simplify this expression:

(a - b)(a + b) = a^2 - b^2

In our case, a = √3 and b = √13, so the formula becomes:

(√3)^2 - (√13)^2

Now, we can calculate the squares:

(√3)^2 = 3 (√13)^2 = 13

Substitute these values back into the expression:

3 - 13 = -10

So, the simplified value of the expression is -10.