If a, b, c are the sides of a triangle ABC such that x2 – 2(a + b + c) x + 3 ?(ab + bc + ca) = 0 has real roots, then: (A)? < 4/3(B)? > 5/3(C)? ? (4/3,5/3)(D)? ? (1/3,5/3)
Hrishant Goswami , 11 Years ago
Grade 10
1 Answers
Sourabh Singh
Last Activity: 8 Years ago
Hii
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