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CBSE Class 11-science Answered

Please send the complete solution showing all the steps.
Asked by sudhanshubhushanroy | 20 Nov, 2017, 08:26: AM
answered-by-expert Expert Answer
begin mathsize 16px style straight x greater than 0 comma space straight y greater than 0 space and space straight z greater than 0 1 over straight x less than 0 comma space 1 over straight y less than 0 space and space 1 over straight z less than 0 using space straight x plus straight y plus straight z equals 3 rightwards double arrow 1 over straight x plus 1 over straight y plus 1 over straight z greater or equal than 3 For space example space if space straight x equals 1 comma space straight y equals 0.5 comma space straight z equals 1.5 straight x plus straight y plus straight z equals 3 We space can space see space clearly space that space 1 over straight x plus 1 over straight y space greater or equal than 1 comma space 1 over straight y plus 1 over straight z space greater or equal than 1 space also space 1 over straight z plus 1 over straight x space greater or equal than 1 rightwards double arrow 1 over straight x plus 1 over straight y plus 1 over straight z equals 1 plus fraction numerator 1 over denominator 0.5 end fraction plus fraction numerator 1 over denominator 1.5 end fraction greater or equal than 3 end style
Answered by Sneha shidid | 20 Nov, 2017, 10:50: AM

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CBSE 11-science - Maths
For a real number r, the quadratics x² + (r - 1) x + 6 and x² + (2r + 1) x + 22 have a common real root. The sum of the possible values of r can be expressed as a/ b where a, b are relatively prime positive integers. Compute 10a + b
Asked by Bhaveshkr211 | 30 Jul, 2023, 05:21: PM
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CBSE 11-science - Maths
Pls solve
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Asked by sdmbotch1123 | 18 Jan, 2023, 11:01: PM
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CBSE 11-science - Maths
complete solution set of the equation |x^2-3|+|2-x|=|x^2-x-1|
Asked by rajshekhara348 | 20 Jun, 2022, 11:23: PM
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CBSE 11-science - Maths
let the equations be x^2+x+2=0 and ax^2+bx+1=0 have atleast one common root then a+b equals to
Asked by sandeepkumarbhadauria41 | 15 Sep, 2021, 02:52: PM
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CBSE 11-science - Maths
Please solve all of these questions with proper explanation
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Asked by Suchismitasingha18 | 07 Aug, 2021, 04:44: PM
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CBSE 11-science - Maths
questions 6
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Asked by sohailsidmd002 | 11 Oct, 2020, 02:35: PM
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CBSE 11-science - Maths
find the value of p and q if the equation px²+5x+2=0 and 3x²+10x+q=0 have both roots in common.
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Asked by ssroul.tcbls | 02 Jul, 2020, 07:15: PM
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CBSE 11-science - Maths
   the equation x minus 2 to the power 2 + x - 2 - 2 = 0 has how many roots
Asked by avinashjha3012 | 22 Jun, 2020, 05:41: PM
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CBSE 11-science - Maths
The quadratic equation, who's roots are reciprocal of the roots of the equation- ax^2+bx+c,is?
Asked by drhimasingh | 26 May, 2020, 11:31: PM
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CBSE 11-science - Maths
write the quadratic equation, the arithmetic mean, Geometric mean of whose roots are A and G respectively
Asked by amanamit818 | 06 Oct, 2019, 11:03: AM
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