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CBSE Class 11-science Answered

Q-4 IS ATTACHED
 
Asked by mahesh_udr2000 | 29 Aug, 2017, 03:27: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight x cubed minus straight x squared plus open parentheses straight x minus straight x squared close parentheses sinθ plus open parentheses straight x minus straight x squared close parentheses cosθ plus open parentheses straight x minus 1 close parentheses sinθcosθ equals 0 On space simplifying rightwards double arrow straight x cubed minus open parentheses 1 plus sinθ plus cosθ close parentheses straight x squared plus open parentheses sinθ plus cosθ minus sinθcosθ close parentheses straight x minus sinθcosθ equals 0 straight alpha plus straight beta plus straight gamma equals fraction numerator negative coefficient space of space straight x squared over denominator coefficient space of space straight x cubed end fraction equals open parentheses 1 plus sinθ plus cosθ close parentheses αβ plus βγ plus αγ equals fraction numerator open parentheses negative 1 close parentheses squared coefficient space of space straight x over denominator coefficient space of space straight x cubed end fraction equals open parentheses sinθ plus cosθ minus sinθcosθ close parentheses αβγ equals fraction numerator open parentheses negative 1 close parentheses cubed cconstant over denominator coefficient space of space straight x cubed end fraction equals sinθcosθ Now space use space expansion space formuale space to space find space it end style
Answered by Sneha shidid | 06 Dec, 2017, 02:36: PM

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CBSE 11-science - Maths
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Asked by smanishkumar2002 | 09 May, 2018, 12:03: PM
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CBSE 11-science - Maths
(-¡) ^4n=? 
Asked by Ankitagarabadu1 | 20 Mar, 2018, 12:06: PM
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CBSE 11-science - Maths
Write the following as complex numbers : square root of minus 16 end root
Asked by Topperlearning User | 13 Sep, 2016, 03:24: AM
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CBSE 11-science - Maths
Write the following as complex numbers : fraction numerator square root of 3 over denominator 2 end fraction minus fraction numerator square root of minus 2 end root over denominator square root of 7 end fraction
Asked by Topperlearning User | 08 Aug, 2014, 10:27: AM
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CBSE 11-science - Maths
Write in the simplest form: open parentheses 1 plus i close parentheses cubed
Asked by Topperlearning User | 08 Aug, 2014, 10:36: AM
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CBSE 11-science - Maths
Prove that  open square brackets open parentheses i close parentheses to the power of 37 plus 1 over open parentheses i close parentheses to the power of 37 close square brackets squared equals 0
Asked by Topperlearning User | 08 Aug, 2014, 10:54: AM
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CBSE 11-science - Maths
Write the following as complex numbers : minus b plus square root of minus 4 a c end root space left parenthesis a comma c space greater than 0 right parenthesis
Asked by Topperlearning User | 08 Aug, 2014, 10:41: AM
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CBSE 11-science - Maths
Find the values of x and y, if 2 x plus 3 y i equals 2 plus 9 i
Asked by Topperlearning User | 08 Aug, 2014, 10:57: AM
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CBSE 11-science - Maths
Find the values of x and y, if open parentheses 2 y minus 2 close parentheses plus open parentheses 5 minus 4 x close parentheses i equals 0
Asked by Topperlearning User | 08 Aug, 2014, 10:58: AM
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CBSE 11-science - Maths
Express the following in standard form : open parentheses 1 half plus 1 fourth i close parentheses open parentheses fraction numerator minus 2 over denominator 3 end fraction minus 1 fourth i close parentheses
Asked by Topperlearning User | 08 Aug, 2014, 10:47: AM
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