If `a=q+r+s,b=r+s-p,c=p+q+r` then prove that `a^2+b^2+c^2-2ab-2ac+2bc=r^2`
51 views · Published 13 October 2018 · 2:39 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `a=q+r+s,b=r+s-p,c=p+q+r` then prove that `a^2+b^2+c^2-2ab-2ac+2bc=r^2`
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