एक त्रिभुज की भुजाएँ \( x^{2}+x+1,2 x+1 \) तथा \( x^{2}-1 \) हैं। इसका सबसे बड़ा कोण है-
(A) \( ... VIDEO
एक त्रिभुज की भुजाएँ \( x^{2}+x+1,2 x+1 \) तथा \( x^{2}-1 \) हैं। इसका सबसे बड़ा कोण है-
(A) \( 120^{\circ} \)
(B) \( 90^{\circ} \)
(C) \( 75^{\circ} \)
(D) इनमें से कोई नहीं।
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