In a , a^3+b^3+c^3=c^2(a+b+c). All symbols have their usual meaning in a…

MATHEMATICS · Multi-part · A Level · Mathematics · Trigonometry · Trigonometry

Problem

In a △ABC\triangle ABC, a3+b3+c3=c2(a+b+c).a^3+b^3+c^3=c^2(a+b+c). All symbols have their usual meaning in a triangle. (1) Statement I: The value of ∠C=60∘\angle C=60^\circ. (2) Statement II: △ABC\triangle ABC must be equilateral.

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