passpadi

2007

Mathematics

67ca00ce0c643c71d77dee1f

Find y, if √12-√147+y√3=0

A.

5

B.

1

C.

7

D.

3

Correct Answer: 5

Explanation

√12-√147+y√3=0√(4×3)-√(49×3)+y√3=02√3-7√3+y√3=0y√3=7√3-2√3 y=(5√3)/√3 y=5

√12-√147+y√3=0√(4×3)-√(49×3)+y√3=02√3-7√3+y√3=0y√3=7√3-2√3 y=(5√3)/√3 y=5
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