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(sqrt (8) - sqrt (12) ) / (sqrt (2) - sqrt (3) i Don't know how to solve it in steps

Guest Nov 20, 2018

Best Answer 

 #1
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(sqrt (8) - sqrt (12) ) / (sqrt (2) - sqrt (3)
Sqrt(8)=sqrt(4 x 2)=2sqrt(2)
Sqrt(12)=sqrt(4 x3) =2sqrt(3)
[2sqrt(2) - 2sqrt(3)] / [sqrt(2) - sqrt(3)]     factor out 2 on LHS
2[sqrt(2) - sqrt(3)] /[sqrt(2) - sqrt(3)]
All the sqrts cancel out leaving you with:
=2

Guest Nov 20, 2018
 #1
avatar
+1
Best Answer

(sqrt (8) - sqrt (12) ) / (sqrt (2) - sqrt (3)
Sqrt(8)=sqrt(4 x 2)=2sqrt(2)
Sqrt(12)=sqrt(4 x3) =2sqrt(3)
[2sqrt(2) - 2sqrt(3)] / [sqrt(2) - sqrt(3)]     factor out 2 on LHS
2[sqrt(2) - sqrt(3)] /[sqrt(2) - sqrt(3)]
All the sqrts cancel out leaving you with:
=2

Guest Nov 20, 2018

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