1.

If x+y+z=6,xy+yz+zx=11.Find the value of x²+y²+z²

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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