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Find the area of the region bounded by the following curves, the X-axis and the given lines: y = x2 + 1, x = 0, x = 3

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प्रश्न

Find the area of the region bounded by the following curves, the X-axis and the given lines:

y = x2 + 1, x = 0, x = 3

योग
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उत्तर

Let A be the required area.

Consider the equation y = x2 + 1

∴ A = `int_0^3 y.dx`

= `int_0^3 (x^2 + 1).dx`

= `[x^3/3 + x]_0^3`

= `[3/3 + 3 - (0^3/3 + 0)]`

= `27/3 + 3 - 0`

= 9 + 3

∴ A = 12 sq.units

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अध्याय 7: Applications of Definite Integration - Exercise 7.1 [पृष्ठ १५७]

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बालभारती Mathematics and Statistics 1 (Commerce) [English] Standard 12 Maharashtra State Board
अध्याय 7 Applications of Definite Integration
Exercise 7.1 | Q 1.6 | पृष्ठ १५७

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