112,4 and 5 r the roots
now can u solve further?
25. In a ΔABC, the sides a, b and c are such that they are the roots of the equation
x3 – 11x2 + 38x – 40 = 0,
THEN COSA\a +COSB\b + COS C|c =
(A) 3\4
(B) 1
(C) 0
(D) 9\16
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UP 0 DOWN 0 0 5
5 Answers
11i am KAM CHOR [3]
u do it urself
REFER TO THE GIVEN LINK
saare question ho jaaenge
aggar fir bhi nahi hote then ask again
http://targetiit.com/iit_jee_forum/posts/properties_of_triangles_4374.html