Answers

2014-05-19T20:59:24+08:00
Squar root of (4)^2 + (2)^2 = 4. The value of y is 4
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2014-05-21T10:59:40+08:00
If the square root covers only y,
y = 4.
but if the radical symbol covers the whole "y+2" , y = 14
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