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The area bounded by the curve y2 = x3 and the line y = 2x is given by:
  • a)
    16/3
  • b)
    16/5
  • c)
    8/3
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The area bounded by the curve y2 = x3 and the line y = 2x is given by:...
The given curves are
y2 = x3 ...(i)
y = 2x ...(ii)
Solving (i) and (ii), we get 
x = 0, x = 4
Hence the required area OPAQO



= 16/5
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Most Upvoted Answer
The area bounded by the curve y2 = x3 and the line y = 2x is given by:...
Approach: To find the area bounded by the curve y^2 = x^3 and the line y = 2x, we need to determine the points of intersection between the curve and the line. Then, we can integrate the difference between the two functions over the interval of intersection to find the area.

Step 1: Finding Points of Intersection:
- Set y^2 = x^3 and y = 2x equal to each other:
x^3 = (2x)^2
x^3 = 4x^2
- Rearrange the equation and factor out x:
x^3 - 4x^2 = 0
x^2(x - 4) = 0
- Solve for x:
x = 0 or x = 4
- Substituting these values back into y = 2x, we get the corresponding y-values:
For x = 0, y = 2(0) = 0
For x = 4, y = 2(4) = 8
- Therefore, the curve y^2 = x^3 intersects the line y = 2x at the points (0, 0) and (4, 8).

Step 2: Calculating Area:
- To find the area bounded by the curve and the line, we integrate the difference between the two functions over the interval of intersection.
- Since the curve lies above the line, the integral is given by:
Area = ∫(2x - √(x^3)) dx from x = 0 to x = 4
- Simplify the integral:
Area = ∫(2x - x^(3/2)) dx from x = 0 to x = 4
- Integrate each term separately:
Area = (x^2 - (2/5)x^(5/2)) evaluated from x = 0 to x = 4
= [(4^2 - (2/5)4^(5/2))] - [(0^2 - (2/5)0^(5/2))]
= (16 - (2/5)4^2) - (0 - 0)
= (16 - 2(4^2))/5
= (16 - 2(16))/5
= (16 - 32)/5
= -16/5

Step 3: Final Answer:
- The area bounded by the curve y^2 = x^3 and the line y = 2x is -16/5.
- Therefore, the correct answer is option B) 16/5.
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The area bounded by the curve y2 = x3 and the line y = 2x is given by:a)16/3b)16/5c)8/3d)None of theseCorrect answer is option 'B'. Can you explain this answer?
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