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underset(xrarr0)"lim"f(x)=2 " where" f(x...

`underset(xrarr0)"lim"f(x)=2 " where" f(x)=(asinx-bsin3x+csin5x)/(x)anda:b:c=3:2:1` , then -
then value of a is

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underset(xrarr0)"lim"f(x)=2 " where" f(x)=(asinx-bsin3x+csin5x)/(x)anda:b:c=3:2:1 , then - the value of 2a-b+c is

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Knowledge Check

  • underset(xrarr0)"lim"(e^(3x)-1)/(x) =

    A
    `(1)/(2)`
    B
    `-(3)/(2)`
    C
    `(3)/(2)`
    D
    `-(1)/(2)`

  • underset(xrarr0)"lim"(a^(2x)-1)/(x) =

    A
    `log_(e)a`
    B
    `2log_(e)a`
    C
    `-2log_(e)a`
    D
    `-log_(e)a`

  • underset(xrarr0)"lim"(log(1+4x))/(x) =

    A
    4
    B
    `-4`
    C
    `-3`
    D
    3

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    Evaluate : underset(xrarr0)"lim"(1)/(x) .

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