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Manipal MET2012MathematicsVector Algebra

The value of [ a a + b a + b + c ] is

Options

  1. A[ abc ]^2
  2. B[ a b c ]
  3. C2[ a b c ]
  4. D3[ a b c ]

Correct answer

B. [ a b c ]

Step-by-step solution

Now, [ array lll a & a + b & a + b + c array ] aligned & =[ a ( a + b )] ( a + b + c ) & =( a b ) ( a + b + c )=( a b ) c & =[ a b c ] aligned

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