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Find the area of the region bounded by the curves 
y=sqrtx,y=x^(2), and the lines 
x=0 and 
x=1

Find the area of the region bounded by the curves y=xy=\sqrt{x}, y=x2y=x^{2}, and the lines x=0x=0 and x=1x=1

Full solution

Q. Find the area of the region bounded by the curves y=xy=\sqrt{x}, y=x2y=x^{2}, and the lines x=0x=0 and x=1x=1
  1. Find Intersection Points: First, we need to find the points of intersection between the curves y=xy=\sqrt{x} and y=x2y=x^2 within the interval [0,1][0, 1].\newlineTo do this, we set the two equations equal to each other: x=x2\sqrt{x} = x^2.\newlineSquaring both sides gives us x=x4x = x^4.\newlineThis simplifies to x4x=0x^4 - x = 0, which factors to x(x31)=0x(x^3 - 1) = 0.\newlineThe solutions to this equation are x=0x = 0 and x=1x = 1, since x31=0x^3 - 1 = 0 when x=1x = 1.
  2. Determine Upper Curve: Next, we need to determine which curve is above the other between x=0x = 0 and x=1x = 1. For 0 < x < 1, we know that \sqrt{x} > x^2 because the square root function grows faster than the square function in this interval. Therefore, y=xy=\sqrt{x} is the upper curve and y=x2y=x^2 is the lower curve.
  3. Set Up Integral: Now we can set up the integral to find the area between the two curves from x=0x = 0 to x=1x = 1. The area AA is given by the integral from 00 to 11 of (upper curve - lower curve) dxdx. So, A=01(xx2)dxA = \int_{0}^{1} (\sqrt{x} - x^2) dx.
  4. Calculate Antiderivatives: We calculate the integral separately for each function.\newlineFirst, for x\sqrt{x}, the antiderivative is (23)x(32)(\frac{2}{3})x^{(\frac{3}{2})}.\newlineSecond, for x2x^2, the antiderivative is (13)x3(\frac{1}{3})x^3.\newlineSo, the integral becomes A=[23x3213x3]A = [\frac{2}{3}x^{\frac{3}{2}} - \frac{1}{3}x^3] from 00 to 11.
  5. Evaluate Integral: We evaluate the antiderivatives at the upper and lower limits of the integral.\newlineAt x=1x = 1, we have (23)(1)32(13)(1)3=(23)(13)=13(\frac{2}{3})(1)^{\frac{3}{2}} - (\frac{1}{3})(1)^3 = (\frac{2}{3}) - (\frac{1}{3}) = \frac{1}{3}.\newlineAt x=0x = 0, both terms are zero because any nonzero number raised to a positive power and then multiplied by zero is zero.\newlineSo, the area AA is (13)0=13(\frac{1}{3}) - 0 = \frac{1}{3}.

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