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CBSE Class 11-science Answered

TO EXPETR - SNEHA MY QUESTION IS THAT WHY n SHOULD BE EVEN FOR ALL THREE CONDITION. PLZ EXPLAIN IN DETAIL SO THAT STUDENT SHOULD NOT GET CONFUSED.
Asked by mahesh_udr2000 | 05 Sep, 2017, 11:50: AM
answered-by-expert Expert Answer
begin mathsize 16px style If space we space take space straight n equals 27 space as space per space your space suggestion space then space obvoiusly space straight n plus 9 space will space be space perfect space square. space In space case space of space 16 straight n plus 9 equals 16 cross times 27 plus 9 equals 441 space which space is space also straight a space perfect space square. But space if space we space check space 27 straight n plus 9 equals 27 cross times 27 plus 9 equals 738 which space is space not space perfect space square. Again space we space will space check space for space another space odd space number space say space straight n equals 21 then space only space 27 straight n plus 9 equals 27 cross times 21 plus 9 equals 576 space holds space true space as space 576 equals 24 squared But space straight n plus 9 space which space is space 30 space not space straight a space perfect space square. space Also space 16 straight n plus 9 space which space is space 345 space which space is space also space not space straight a space perfect space square. Hope space your space query space is space resolved space now. end style
Answered by Sneha shidid | 05 Sep, 2017, 12:40: PM

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CBSE 11-science - Maths
find square root of 7+24i
Asked by tahikpreet0001 | 17 Apr, 2024, 06:41: AM
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CBSE 11-science - Maths
if α, ß, Γ be the roots of the equation x^3+px^2+qx+r=0 then find the value of (α+ß-3Γ)(ß+Γ-3α)(α+Γ-3ß)
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CBSE 11-science - Maths
show me the process to solve the problem
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CBSE 11-science - Maths
express in the form of a+ib (i)(1-i)^4
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CBSE 11-science - Maths
question number 34
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Asked by saanvichawla2007 | 02 Oct, 2023, 12:10: 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
solve
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Asked by Imotheph1504 | 19 Dec, 2022, 08:19: PM
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CBSE 11-science - Maths
the roots of -18i
Asked by simrangurdasani05 | 17 Jul, 2022, 03:39: AM
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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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