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  1. M

    Group Theory (order of an element?

    Let G be a group and g?G. If order(g)=n. (n is integer >=0) Show that for all natural number r. order(g^r) = n / GCD(n,r)
  2. M

    In navigational terms, a bearing is defined as the number of degrees a direction is

    from due north clockwise.? If a plane flying 120 mph has flown 1 hr at a bearing of 32°, how far has it flown in a horizontal direction (east)? In a vertical direction (north)?
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