My School: If a+b+c=m and a²+b²+c²=n, then find the value of (ab+bc+ca) .

Thursday, January 19, 2023

If a+b+c=m and a²+b²+c²=n, then find the value of (ab+bc+ca) .

If a+b+c=m and a²+b²+c²=n, then find the value of (ab+bc+ca) .

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