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Find the following integrals: ∫x(3x2+2x+3)dx - Mathematics

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Question

Find the following integrals:

`intsqrtx( 3x^2 + 2x + 3) dx`

Sum
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Solution

Let `I = int sqrtx  (3x^2 + 2x + 3)` dx

`I = int (3x^(5/2) + 2x^(3/2) + 3x^(1/2))` dx

`I = 3 int x^(5/2)  dx + 2 int x^(3/2)  dx + 3 int x^(1/2)` dx

`I = 6/7  x^(7/2) + 4/5  x^(5/2) + 2x^(3/2) + C`

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Chapter 7: Integrals - Exercise 7.1 [Page 299]

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NCERT Mathematics Part 1 and 2 [English] Class 12
Chapter 7 Integrals
Exercise 7.1 | Q 15 | Page 299

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