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CBSE Class 11-science Answered

Please send the complete solution step by step.
Asked by sudhanshubhushanroy | 20 Nov, 2017, 08:24: AM
answered-by-expert Expert Answer
begin mathsize 16px style Given space equation space is space open parentheses ax squared plus straight c close parentheses straight y plus open parentheses straight a apostrophe straight x squared plus straight c apostrophe close parentheses equals 0 ax squared straight y plus cy plus straight a apostrophe straight x squared plus straight c apostrophe equals 0 straight x squared open parentheses ay plus straight a apostrophe close parentheses plus cy plus straight c apostrophe equals 0 According space to space the space question space straight x space is space rational. rightwards double arrow Discriminant space should space be space straight a space perfect space square. rightwards double arrow Discriminant space equals space 0 squared minus 4 open parentheses ay plus straight a apostrophe close parentheses open parentheses cy plus straight c apostrophe close parentheses rightwards double arrow Discriminant space equals minus 4 open parentheses acy squared plus ac apostrophe straight y plus straight a apostrophe cy plus straight a apostrophe straight c apostrophe close parentheses Given space that space ac space is space negative. rightwards double arrow negative ac space is space positive. rightwards double arrow Discriminant space equals minus 4 open parentheses ac apostrophe minus straight a apostrophe straight c close parentheses squared rightwards double arrow Discriminant space equals 0 rightwards double arrow negative 4 open parentheses ac apostrophe minus straight a apostrophe straight c close parentheses squared equals 0 rightwards double arrow ac apostrophe minus straight a apostrophe straight c equals 0 rightwards double arrow fraction numerator straight a over denominator straight a apostrophe end fraction equals fraction numerator straight c over denominator straight c apostrophe end fraction Given space that space ac space is space negative. rightwards double arrow negative ac space is space positive. end style
Answered by Sneha shidid | 01 Dec, 2017, 05:36: PM

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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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