emily1918 emily1918

01-10-2015
Mathematics

contestada

(1+5/6)(1-5/6)

I don't understand it

Respuesta :

01-10-2015

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

(1+5/6) (1-5/6) = 1^2 - (5/6)^2 = 1 - 25/36 = 36/36 - 25/36 = (36-25)/36 = 11/36

11/36 is your answer

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