find the value of a and b
7+√5 / 7-√5 = a+b √5
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Verified answer
Answer:
49/44 , 7/44
Step-by-step explanation:
(7+√5 / 7-√5 )(7+√5/7-√5)
= (7+√5)²/ 7² - √5²
= 49+ 14√5 / 49- 5
= (49+14√5) / 44
= 49/44+ 14√5/44
= 49/44 + (7/44)√5
therefore a= 49/44 and b = 7/44