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If f(x)=log3x and phi(x)=x^2,then the va...

If f(x)=`log_3x` and `phi(x)=x^2`,then the value of `f{varphi(3)}`will be

A

a)0

B

b)1

C

c)2

D

d)3

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    A
    sinx
    B
    `(1)/("sin"(x)/(2)"cos"(x)/(2))`
    C
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    D
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    A
    0
    B
    e
    C
    `(1)/(e )`
    D
    `(1)/(e^(2))`

  • If (d)/(dx)log(x^(2)-5)=(phi(x))/(x^(2)-5) , then the value of phi(x) is -

    A
    2x
    B
    `x^(2)`
    C
    x
    D
    `2x-5`

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