Rudhreswaran G posted an Question
April 04, 2021 • 01:48 am 30 points
  • IIT JAM
  • Mathematics (MA)

Can some tell clearly why they have changed the vector variable as scalar variable . and also arbitrary scalar constant by arbitrary vector constant .

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  • Alka gupta

    this type of working method not exist ....solve generally

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    so for any question we can solve in general method this method is not necessary

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    yes... definitely without assuming solve generally...

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    automatic you get a vector.... because they already given a and b are constant vector

  • Alka gupta best-answer

    t is scalar and r is vector.....so obviously all the constant are vectors....no need to replace ....simple integrate , introduce constants, apply initial condition and find the value of r

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    I can't understand can I get any other explanation

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    this type of not any working method .....this method creates confusion only....I said you solve the qus generally....and find the value of r

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    no need to consider ...vector - scalar and scalar -vector

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