Answer: 3(d−e)(e−f)(f−d)3(d−e)(e−f)(f−d)
Step by Step Explanation: - We know that
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- Let us assume
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We have+
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Also,
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- Substituting (a+b+c)=0 in eq(i), we have
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- Hence, (d−e)3+(e−f)3+(f−d)3=3(d−e)(e−f)(f−d)