Math, asked by namratariva2490, 1 year ago

if x+y+z=9 and xy+yz+zx=40, then find the value of x²+y²+z² ?

Answers

Answered by saurabhsemalti

3

(x+y+z)^2=x^2+y^2+z^2 +2(x+y+z)
81=ques+2(40)
Fromm here u will get ans

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