Anku posted an Question
November 26, 2020 • 03:05 am 30 points
  • IIT JAM
  • Mathematics (MA)

Pls tell what is the general formuale of underlined [orange ] part...such form of â is not given in book..

pls tell what is the general formuale of underlined part...such form of â is not given in book

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    Satpal singh Best Answer

    see the attachment

    cropped5378615732918028071.jpg
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    sir suppose variable z would also be there I.e. xî+yj+zk then what formulae will be used

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    in that case k will be used also

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    but for higher dimensions it is easy to use the basic formula

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    sir but how angle will be used when we apply basic formulae

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    in that case there will be a direction given in the question

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    ok sir..

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