what is :
3+√7
/3−√7
= a + b √7
Answers
Answered by
1
Answer:
Step-by-step explanation:
(3+√7)² / (3-√7)(3+√7) = a+b√7
⇒9 + 7 + 6√7 / 3² -√7² = a+b√7
⇒16+ 6√7 / 9-7 =a+b√7
⇒16+ 6√7 / 2 =a+b√7
⇒2(8+3√7)/2 =a+b√7
⇒8 +3√7 =a+b√7
on comparing both sides-
a=8
b=3
Hope this helps!
Answered by
1
Answer:
3+√7
= √7= 2.645
= 3+2.645
= 2.648
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