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Engineering
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What is the solution of the equation 2^{x}+5^{x}-3^{x}-4^{x}=0?

  • Option 1)

    x=1

  • Option 2)

    x=2

  • Option 3)

    x=3

  • Option 4)

    x=0

 
As we learned    Exponential Function - - wherein     All the graphs,     intersect at   So the solution is x = 0.   Option 1) Option 2) Option 3) Option 4)
Engineering
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What is the range of the function f(x)=\left | a^{x} \right |?

  • Option 1)

    [1,\infty )

     

     

     

  • Option 2)

    R

  • Option 3)

    R^{+}

  • Option 4)

    [0,\infty )

 
As we learned    Exponential Function - - wherein     Thus  Hence    i.e       Option 1)       Option 2) Option 3) Option 4)
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