diya4477 diya4477

07-11-2020
Mathematics

contestada

find the value of a and b
in
5+√3/7−4√3=a+b√3

Respuesta :

mhanifa mhanifa

07-11-2020

Answer:

a = 47, b= 27

Step-by-step explanation:

(5 +√3)/(7 − 4√3) = a + b√3
(5 + √3)(7 + 4√3)/(7 − 4√3) (7 + 4√3) = a + b√3
(35 + 4√3² + 20√3 + 7√3)/(49 - 48) = a + b√3
35 + 12 + 27√3 = a + b√3
47 + 27√3 = a + b√3
a = 47, b= 27

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