SOT FOR AIEEE

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25. In a Î”ABC, the sides a, b and c are such that they are the roots of the equation
x3 â€“ 11x2 + 38x â€“ 40 = 0,
THEN COSA\a +COSB\b + COS C|c =
(A) 3\4
(B) 1
(C) 0
(D) 9\16

#Mathematics #Algebra

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5 Answers

Mani Pal Singh ·2009-04-14 06:39:08

2,4 and 5 r the roots
now can u solve further?

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ANKIT GOYAL ·2009-04-14 06:39:29

solve them

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Mani Pal Singh ·2009-04-14 06:53:59

i 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

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ANKIT GOYAL ·2009-04-14 06:55:19

good rplyyyyyyyyyyyy

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Mani Pal Singh ·2009-04-14 07:05:33

1ST POINT OR TEH LINK[4]

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∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

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SOT FOR AIEEE

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