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Find the Area of the Region Enclosed by the Parabola X2 = Y, the Line Y = X + 2 and X-axis

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प्रश्न

Find the area of the region enclosed by the parabola x2 = y, the line y = x + 2 and x-axis

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उत्तर

The area of the region enclosed by the parabola, x2 = y, the line, y = x + 2, and x-axis is represented by the shaded region OACO as

The point of intersection of the parabola, x2 = y, and the line, y = x + 2, is A (–1, 1) and C(2, 4).

     Area of OACO = ∫-12x + 2 dx  -  ∫-12 x2 dx⇒Area of OACO = x22 + 2x-12 - 13x3-12⇒Area of OACO = 222+22 - -122+2-1 - 1323 - -13⇒Area of OACO = 2 + 4 - 12-2 - 138 + 1⇒Area of OACO = 6 + 32 - 3⇒Area of OACO = 3 + 32 = 92 square units

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अध्याय 8: Application of Integrals - Exercise 8.3 [पृष्ठ ३७५]

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एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 8 Application of Integrals
Exercise 8.3 | Q 10 | पृष्ठ ३७५

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