Math, asked by piyushgoswami95, 22 hours ago

if x+y+z=10 and xy+yz+zx =30 , then find the value of x²+y²+z²

Answers

Answered by sushil000pandey

0

Answer:

(x+y+z)²=x²+y²+z²+2(xy+yz+zx)

10²=40+2(xy+yz+zx)

2(xy+yz+zx)=100-40=60

xy+yz+zx=30

Step-by-step explanation:

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