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The number of values of x in the interva...

The number of values of `x` in the interval `[0,(7pi)/2]` satisfying the equation `6sin^2x+sinx-2=0` is
(1) 3
(2) 5
(3) 7
(4) 9

Answer

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Knowledge Check

  • The number of values of x in the interval [0,3 pi] satisfying the equation 2sin^2 x+5 sin x-3 =0 is

    A
    6
    B
    1
    C
    2
    D
    4
  • The number of values of x in the interval [0,5pi] satisfying the equation 3sin^2x-7sinx+2=0 is

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    C
    6
    D
    10
  • The number of values of x in the interval [0, 3pi] satisfying the equation 3sin^(2)x-7sinx+2=0 is

    A
    0
    B
    5
    C
    4
    D
    10
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