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CBSE Class 12-science Answered

Integration (x2 + 1)dx/(x4 + x2 + 1)
Asked by haroonrashidgkp | 11 Nov, 2018, 03:56: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight I equals integral fraction numerator straight x squared plus 1 over denominator straight x to the power of 4 plus straight x squared plus 1 end fraction dx straight I equals integral fraction numerator 1 plus begin display style 1 over straight x squared end style over denominator straight x squared plus 1 plus begin display style 1 over straight x squared end style end fraction dx straight I equals integral fraction numerator 1 plus begin display style 1 over straight x squared end style over denominator open parentheses straight x minus begin display style 1 over straight x end style close parentheses squared plus 3 end fraction dx Put space straight x minus 1 over straight x equals straight t space then space open parentheses 1 plus 1 over straight x squared close parentheses dx equals dt Put space it space in space the space integration space and space solve space it space further. end style
Answered by Sneha shidid | 15 Nov, 2018, 11:43: AM

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CBSE 12-science - Maths
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CBSE 12-science - Maths
Example 17 Solve the following system of equations by matrix method. 3x-2y+3z =8 2x+y-z=1 4x-3y+2z = 4
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CBSE 12-science - Maths
Please Answer this case study..!!.
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CBSE 12-science - Maths
question 13
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CBSE 12-science - Maths
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CBSE 12-science - Maths
The probability that a pen manufactured by a company will be defective is 0.1. If 12 such pens are selected find the probability that i) exactly 2 will be detective ii) at least 2.will be defective iii)none will he defective
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
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CBSE 12-science - Maths
limit x tends to zero tanx-sinx/x^3
Asked by shirishakuruva477 | 28 Mar, 2024, 09:52: PM
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CBSE 12-science - Maths
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Asked by sheensvlog | 27 Mar, 2024, 10:15: PM
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CBSE 12-science - Maths
evaluate integration of log(sinx) dx
Asked by jprathamesh023 | 23 Mar, 2024, 04:01: PM
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CBSE 12-science - Maths
construct of 2 × 3 matrix a=[aij] whose elements are aij=ij
Asked by antra1799 | 18 Mar, 2024, 07:49: PM
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