If the sides of triangle ABC are $x^{2}+x+1$, 2x+1 and $x^{2}-1$. Then the greatest angle of the triangle is | ClassNotes | Ace Your Exams

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Sep 18, 2022

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If the sides of triangle ABC are $x^{2}+x+1$, 2x+1 and $x^{2}-1$. Then the greatest angle of the triangle is

Difficulty: Easy

A:

130

B:

135

C:

75

D:

120

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NET NUST Entry Test Mathematics Fundamentals of Trignometry