prbablityy

JEE Main 2015 Preparation › Algebra questions › prbablityy

in constructing a problem on vectors,3 componts of vector are randomly chosen from digits 1 to 5 with replacements.What is prob that magnitude of vector is 5??

#Mathematics #Algebra

UP 0 DOWN 0 0 6
Post on FacebookPost anonymously?

6 Answers

Lokesh Verma ·2009-02-25 22:48:13

1, 4, 9 , 16, 25

a , b, c are 3 components

a²+b²+c² = 25

25 as the sum of squares...

I dont see any combination

Prob shoudl be zero!

UP 0 DOWN 0
Post on FacebookPost anonymously?

eureka123 ·2009-02-25 23:04:43

but options are
1/6
1/12
1/24
1/30

UP 0 DOWN 0
Post on FacebookPost anonymously?

Ð”Ð²Ò¥Ñ—ÑuÏ now in medical c ·2009-02-25 23:09:27

plz check the question once more....

UP 0 DOWN 0
Post on FacebookPost anonymously?

Lokesh Verma ·2009-02-25 23:10:10

is it magnitude less than 5?

UP 0 DOWN 0
Post on FacebookPost anonymously?

eureka123 ·2009-02-26 01:40:31

no magnitude is 5

UP 0 DOWN 0
Post on FacebookPost anonymously?

Lokesh Verma ·2009-02-26 01:50:57

Then I am sure the answer is wrong :)

UP 0 DOWN 0
Post on FacebookPost anonymously?

Your Answer

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

Close [X]

prbablityy

6 Answers

Your Answer

Add Image

Similar Questions