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Show that x = 3 is the solution of 2x^(2...

Show that x = 3 is the solution of `2x^(2)-5x-3=0`

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Knowledge Check

  • Which of the following are the solutions of 2x^(2)-5x-3=0 ? (i) x=2 (ii) x = 3 (iii) x=(-1)/(2)

    A
    only (i)
    B
    (i) and (ii)
    C
    (ii) and (iii)
    D
    (i) , (ii) and (iii)

  • The solution of 0.2(2x-1)-0.5(3x-1)=0.4 is

    A
    `1/11`
    B
    `-1/11`
    C
    `3/11`
    D
    `(-3)/11`

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