Question

5+√3/7-4√3= a+b√3 rationalise the following​

Answer 1

Answer:

Step-by-step explanation:

(5+√3) / 7 - 4√3

= (5+√3) x ( 7 +4√3)/ 7² - 4√3²

= (35 + 20√3 +7√3 +12) / 1

= 47 + 27√3

hence, a = 47 , b = 27

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