Question

If x²+y²+z²=29 and x+y+z=9, find xy+yz+zx.​

Answer 1

Answer:

27

Step-by-step explanation:

x = 3

y = 3

z = 3

Q. Find xy + yz + zx.

= 3*3 + 3*3 + 3*3

= 9 + 9 + 9

= 27  ans.

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