if x^2+y^2+z^2=24 and xy+yz+zx=20 find x+y+z ..please solve this fast.it is urgent
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(X+y+z)^2 =24+ 40
=64
hence X +y+z =8 or -8
=64
hence X +y+z =8 or -8
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aniket132:
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