Question

4- √13
4+ /13 simplify the answer. give me step by step explanation and also how u cancel it​

Answer 1

Step-by-step explanation:

(4-√13) (4+√13)

this is in the form

(a+b) (a-b)

=x2+(a+b)x+ab

(4)2-(√13)

=16-13

3 is the answer