if 3+√7 / 3-√7=a+b √7,find the value of a and b
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Answer: a=8 b= 3√7
Step-by-step explanation:
(3+√7)/(3-√7). Multiply everything for (3+√7)
(3+√7)ˆ2/(3+√7)(3-√7) = a+b
(9+6√7+7)/ (9 - 7) = a+b
(16+6√7)/ 2 = a+b
8 + 3√7 = a + b
therefore, a = 8 and b = 3√7
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