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CBSE Class 9 Answered

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Asked by Girishdhawan | 25 Jun, 2018, 08:51: PM
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begin mathsize 16px style straight z squared plus 1 over straight z squared equals 11 open parentheses straight z minus 1 over straight z close parentheses squared plus 2 cross times straight z cross times 1 over straight z equals 11 straight z minus 1 over straight z equals 3 straight z cubed plus 1 over straight z cubed equals open parentheses straight z minus 1 over straight z close parentheses open parentheses straight z squared plus 1 over straight z squared plus straight z cross times 1 over straight z close parentheses equals open parentheses 3 close parentheses open parentheses 11 plus 1 close parentheses equals 46 end style
Answered by Arun | 28 Jun, 2018, 01:14: PM

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CBSE 9 - Maths
Which of the following equations are linear equations in two variables and which are not? i) 2x+5=0 ii) 5x+6y=3z iii) 5x2-3y²+4=0 iv) 4y = 7
Asked by vikas1399singh | 29 Sep, 2023, 08:40: PM
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CBSE 9 - Maths
(3-2)×180
Asked by sunilkhadia321 | 28 Sep, 2023, 06:57: PM
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CBSE 9 - Maths
prove that the sum of angle of a triangle 8s 180
Asked by roshan.rony001 | 19 Sep, 2023, 05:02: PM
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CBSE 9 - Maths
Solve it.
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Asked by sagrawal0081 | 02 Sep, 2023, 07:23: PM
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CBSE 9 - Maths
If the diagonal of a parallelogram are equal,then show that it is a square.       .
Asked by sagrawal0081 | 31 Aug, 2023, 07:24: PM
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CBSE 9 - Maths
Find it.
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Asked by sagrawal0081 | 14 Aug, 2023, 01:49: PM
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CBSE 9 - Maths
Expand    (x-3/x)³
Asked by sagrawal0081 | 12 Aug, 2023, 05:34: PM
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CBSE 9 - Maths
Two angles are called adjacent if
Asked by chegumahan401 | 20 Jul, 2023, 06:59: PM
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CBSE 9 - Maths
Professor Trig prepared a question paper which contains 8 problems to test his post graduate students. Each student was given 3 of them. No two students received more than one common problem. What is the largest possible number of students?  
Asked by ketkiparasgandhi | 24 Jun, 2023, 01:56: PM
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CBSE 9 - Maths
Is zero a rational number?can you write in the form ofp/q, where p and q are integers and q≠0?
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Asked by mshibilshibil646 | 18 Jun, 2023, 09:37: AM
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