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The number of solutions of the equation 2 x-2 x+4 x=4 in the interval [0,5 ] is :

Options

  1. A3
  2. B5
  3. C4
  4. D6

Correct answer

A. 3

Step-by-step solution

aligned & 2 x-2 x+4 x=4 & 2 x x-2 x+4 x-4=0 & ( x-1)( x-2)=0 aligned aligned & x-2 0, x=1 & x= 2 , 5 2 , 9 2 aligned

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