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If x+y+z=6,xy+yz+zx=11.Find the value of x²+y²+z² |
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Answer» Answer: 14 Step-by-step EXPLANATION: So x+y+z=6 OOPS use the FORMULAE of (x+y+z)²=x²+y²+z²+2xy+2yz+2zx After this Calculation x²+y²+z²=14 I calculated on calculater Thanks ....XD |
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