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The area of the region bounded by the curve x =  and y-axis is 

  1. 8π sq.units
  2. 12π sq.units
  3. 56π sq.units
  4. None of these

Answer (Detailed Solution Below)

Option 4 : None of these
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Detailed Solution

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Concept:

 

Calculations:

Given, the curve is  

 

Now, equation of Y-axis x = 0, 

⇒ y2 = 9 

⇒ y = -3, 3

Area bounded by  the curve y =  and y-axis 

= 2[]

= 4.5 π sq. units 

Hence, option 4 is correct.

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