pls solve on a paper as soon as possible QUES 23
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(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)
=>5^2=2×10+a^2+b^2+c^2
=>a^2+b^2+c^2=25-20=5
(a+b+c)[a^2+b^2+c^2-(ab+bc+ca)]=a^3+b^3+c^3-3 abc
therefore, 5×(5-10)=a^3+b^3+c^3-3 abc
-25 answer
=>5^2=2×10+a^2+b^2+c^2
=>a^2+b^2+c^2=25-20=5
(a+b+c)[a^2+b^2+c^2-(ab+bc+ca)]=a^3+b^3+c^3-3 abc
therefore, 5×(5-10)=a^3+b^3+c^3-3 abc
-25 answer
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