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What is the value of x, if x-1,x+2,2x-1,...

What is the value of `x`, if `x-1,x+2,2x-1,"_ _ _ _ _" `is an A.P?

A

`4`

B

`-4`

C

`-6`

D

`6`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • If x + (1)/( x) = 17 what is the value of (x^(4) + (1)/( x^(2)))/(x^(2)- 3 x + 1) ?

    A
    `(2431)/( 7)`
    B
    `(3375)/( 7)`
    C
    `(3375)/(14)`
    D
    `(3985)/(9)`

  • What is the value of (1 + x)/(1 - x^(4)) + ( x^(2))/( 1 + x^(2)) xx x ( 1 - x) ?

    A
    `(1)/(x)`
    B
    ` x^(2) - 1 `
    C
    `x 1`
    D
    x

  • The value of x + y + z is 15 if a, x, y, z, b are in A.P. while the value of (1)/(x) + (1)/(y) + (1)/(z) "is" (5)/(3) if a, x, y, z, b are in H.P. Then a and b are

    A
    1, 9
    B
    3, 7
    C
    7, 3
    D
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    Write the value of x for which 2x ,\ x+10 and 3x+2 are in A.P.

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    If x+(1)/(x)=5 then what is the value of (x^(4)+(1)/(x^(2)))/(x^(2)-3x+1) ?

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