polynomial

JEE Main 2015 Online › Algebra questions › polynomial

\hspace{-16}\mathbb{I}$f $\bf{x_{i}\; \big(i=1,2,3,.....,48\big)}$ are the Roots of the equation $\bf{\mathbb{P}(x)=18x^4+3x+2006}$\\\\ Then Find value of $\bf{\sum_{i=1}^{48}\frac{x_{i}}{1+x_{i}}=}$

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4 Answers

Arnab Kundu ·2012-05-15 23:16:03

P(x) is a 4rth degree equation. How can it have 48 roots?

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Shubhodip ·2012-05-16 15:22:46

lol

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Sushovan Halder sir,how to solve?
Upvote·0· Reply ·2014-06-08 23:55:41
man111 singh Ohooo Sorry actually it is from i=1 to i = 4
Upvote·0· Reply ·2014-06-09 20:42:55
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Sushovan Halder ·2014-06-12 04:24:16

i am getting 8015/2003

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Sushovan Halder man singh bhaiyya is my solution right?
Upvote·0· Reply ·2014-06-27 08:59:54
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Amartya Kumar Mistry ·2014-06-29 04:16:02

i am getting 8017/2004 as answer well @sushovan did you tried any short curt method or simply just multiplied and added i have not found any short method

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Sushovan Halder i found out the equation whose roots are x/(1+x).
Upvote·0· Reply ·2014-06-30 05:55:16
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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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