2013
Mathematics
67ca00ce0c643c71d77dee1f
Simplify (√5(√147-√12)/√15
A.
5
B.
1/5
C.
1/9
D.
9
Correct Answer: 5
Explanation
(√5(√147-√12)/√15 = (√5(√(49×3)-√(4×3))/√(5×3) = (√5(7√3-2√3)/(√5×√3) = (√3(7-2)/√3 = 5
(√5(√147-√12)/√15 = (√5(√(49×3)-√(4×3))/√(5×3) = (√5(7√3-2√3)/(√5×√3) = (√3(7-2)/√3 = 5THIS WEEK's
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