If `x,y` and`z` are three real numbers such that `x+y+z=4` and `x^2+y^2+z^2=6`,then show that
3,473 views · Published 13 October 2018 · 8:45 · Indexed 23 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `x,y` and`z` are three real numbers such that `x+y+z=4` and `x^2+y^2+z^2=6`,then show that each of x,y and z lie in the closed interval `[2/3,2]`
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