Anku Asked a Question
November 25, 2020 9:35 pmpts 30 pts
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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    Anku
    sir suppose variable z would also be there I.e. xî+yj+zk then what formulae will be used