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TS EAMCET · Maths · Vector Algebra

If a+lb+l2c=0 and a×b+b×c+c×a=3b×c, then the minimum value of such l is

  1. A 1
  2. B -2
  3. C -94
  4. D 0
Verified Solution

Answer & Solution

Correct Answer

(B) -2

Step-by-step Solution

Detailed explanation

Given: a→×b→+c→×a→=2b→×c→ ⇒a→×b→-c→=2b→×c→  ...i Also a→+lb→+l2c→=0 multiply both sides by b→-c→…