If `a, b, c in R` and `a^2+5/2 b^2+c^2=2ab+bc+ca`, then then `a + 2b + 2c` may be
786 views · Published 12 October 2018 · 1:49 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `a, b, c in R` and `a^2+5/2 b^2+c^2=2ab+bc+ca`, then then `a + 2b + 2c` may be
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