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KCET2014MathematicsSets and Relations

The area of the region bounded by the lines ( y=m x, x=1, x=2 ), and ( x ) axis is ( 6 ) sq. units, then ' ( m ) ' is

Options

  1. A( 11 )
  2. B( 04 )
  3. C( 13 )
  4. D( 12 )

Correct answer

B. ( 04 )

Step-by-step solution

Given that, equation of line ( y=m x, x=1 ) and ( x=2 ) So, required area is given by [ array l Area = ₁² m x d x=6 [m x² 2 ]₁²=6 m (2²-1² )=12 3 m=12 m=4 array ]

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