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CBSE Class 12-science Answered

Integration e-x cos x dx  explain in great detail
Asked by haroonrashidgkp | 24 Oct, 2018, 07:58: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight I equals integral straight e to the power of negative straight x end exponent cosxdx straight I equals integral open parentheses cosx close parentheses straight e to the power of negative straight x end exponent dx straight I equals cosx integral straight e to the power of negative straight x end exponent dx minus integral open parentheses negative sinx integral straight e to the power of negative straight x end exponent dx close parentheses dx straight I equals negative straight e to the power of negative straight x end exponent cosx plus integral negative sinx space straight e to the power of negative straight x end exponent dx straight I equals negative straight e to the power of negative straight x end exponent cosx minus integral sinx space straight e to the power of negative straight x end exponent dx Integrating space it space further space using space by space parts space we space get space the space integral space same space as space the space question space then space solve space it space further. end style
Answered by Sneha shidid | 25 Oct, 2018, 10:49: AM

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CBSE 12-science - Maths
find the quadratic equations whose roots are 3 and -2
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Asked by leelasri11663 | 25 Apr, 2024, 11:34: AM
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CBSE 12-science - Maths
what is the general solution of the differential equation dy/DX = e2x + x
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Asked by aishaazmata | 24 Apr, 2024, 08:48: PM
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CBSE 12-science - Maths
(5x)³^cos2x^
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Asked by revengesena | 24 Apr, 2024, 06:08: PM
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CBSE 12-science - Maths
And
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Asked by mt1799363 | 23 Apr, 2024, 12:35: PM
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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
Asked by mahammadsharifdakhani67 | 16 Apr, 2024, 07:43: PM
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CBSE 12-science - Maths
Please Answer this case study..!!.
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Asked by 20muskaansharma23 | 08 Apr, 2024, 11:31: AM
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CBSE 12-science - Maths
question 13
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Asked by klmn445 | 03 Apr, 2024, 11:33: PM
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CBSE 12-science - Maths
300000/1368
Asked by cherrycharishma512 | 01 Apr, 2024, 12:32: PM
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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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