if both A and B are rational number then find the value of a and b 3 + √7 / 3 - √ 7 is equal to a + b√7
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Answered by
1
Answer:
3+√7/3-√7/3-√7/3-√7
Answered by
1
Answer:
a=8 and b=3
Step-by-step explanation:
3+√7/3-√7=a+b√7
convert3+√7/3-√7 into rational number
(3+√7)(3+√7)/(3-√7)(3+√7)=a+b√7
(3+√7) whole square/ 9-7=a+b√7
9+7+6√7/2=a+b√7
16+6√7=2(a+b√7)
16+6√7=2a+2b√7
2(8)+2(3)√7=2a+2b√7
on comparing,
a=8 and b=3
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