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calculus

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find the distance d(P_1 & P_1) between points P_1 and P_2. P_1=(4,-5)and P_2=(3,4)

please show work

  • calculus -

    (3,4).(4,-5).

    D^2 = (4-3)^2 + (-5-4)^2 = 1 + 81 = 82
    D = sgrt(82) = 9.06.

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