WebCorrect option is A) We have, r×a=b×a and r×b=a×b ⇒r×a=−(r×b) ⇒r×(a+b)=0 ⇒ r is parallel to a+b ⇒r=λ(a+b) ⇒r=λ( i^+3 j^− k^) ⇒∣r∣= 11λ ∴ Required vector = ∣r∣r = 111 ( i^+3 j^− k^). Video Explanation Solve any question of Vector Algebra with:- > Was this answer helpful? 0 Shortcuts & Tips Web28 mrt. 2024 · [Class 12] If a = i - j + 7k and b = 5i - j + λk, then find value of λ Class 12 Solutions of Sample Papers and Past Year Papers - for Class 12 Boards CBSE Class 12 Sample Paper for 2024 Boards Question 23 …

If a=2i+j-k ,b= -i+2j-4k and c= i+j+k then find (a×b) . ( b×c ...

WebSOLVED: If a = i − 7k and b = j + k, find a × b. VIDEO ANSWER:In this problem we have given two vectors A&B. And we have to find the cross product of these two vectors A cross B. So is given I v minus seven K. That is, we can write our is I minus zero and 2 J minus seven K. And B can be written B. Web10 jan. 2024 · If a = j + √3k, b = – j + R3k and c = 2√3k form a triangle, the internal angle of the triangle between a and b is. vectors jee jee mains 1 Answer +1 vote answered Jan 10, 2024 by KumariMuskan (34.2k points) selected Jan 10, 2024 by Nakul01 Best answer We have, a = 2 = b and a.b = –1 + 3 = 2 Let θ be the angle between them. balenciaga sneakers junior

Find λ and μ if (2i + 6j + 27k) x (i + λj + μk) = 0 [Video] - teachoo

WebThree force vectors P, Q, R of 15kg. each act along AB, BC and CA respectively. The position vectors of A,B and C are given by OA=2i−4j+ 3k, OB=5i+3j−2k, OC=−2i+2j+3k. … Web22 mrt. 2024 · Example 14 Find angle ‘θ’ between the vectors 𝑎 ⃗ = 𝑖 ̂ + 𝑗 ̂ − 𝑘 ̂ and 𝑏 ⃗ = 𝑖 ̂ − 𝑗 ̂ + 𝑘 ̂. Given 𝑎 ⃗ = 𝑖 ̂ + 𝑗 ̂ − 𝑘 ̂ 𝑏 ⃗ = 𝑖 ̂ – 𝑗 ̂ + 𝑘 ̂ We know that 𝒂 ⃗ . 𝒃 ⃗ = " " 𝒂 ⃗" " " " 𝒃 ⃗" " cos θ where θ is the … WebIf a = i – 2 k and b = j + k, find a × b. Sketch a, b, and a × b as vectors starting at the origin. Step-by-step solution 97% (36 ratings) for this solution Step 1 of 3 Then Chapter 12.4, … aristakat charters