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CBSE Class 11-science Answered

if x=1+log subscript a b c space comma space y equals 1 plus log subscript b c a space comma space z equals 1 plus log subscript c a b space comma space t h e n space p r o v e space t h a t space x y z equals x y plus y z plus z x
Asked by araima2001 | 26 Sep, 2016, 06:07: PM
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straight x space equals space 1 space plus space log subscript straight a bc space equals space log subscript straight a straight a plus space log subscript straight a bc space equals space space log subscript straight a abc 1 over straight x equals fraction numerator 1 over denominator space space log subscript straight a abc end fraction space equals space space space log subscript abc straight a straight y space equals space 1 space plus space log subscript straight b ca space equals space log subscript straight b straight b plus space log subscript straight b ca space equals space space log subscript straight b abc 1 over straight y equals fraction numerator 1 over denominator space space space log subscript straight b abc end fraction space equals space space space log subscript abc straight b straight z space equals space 1 space plus space log subscript straight c ab space equals space log subscript straight c straight c plus space log subscript straight c ab space equals space space log subscript straight c abc 1 over straight z equals fraction numerator 1 over denominator space log subscript straight c abc end fraction space equals space space space log subscript abc straight c 1 over straight x plus 1 over straight y plus 1 over straight z equals space log subscript abc straight a plus space log subscript abc straight b plus space log subscript abc straight c fraction numerator xy plus yz plus zx over denominator xyz end fraction equals log subscript abc abc fraction numerator xy plus yz plus zx over denominator xyz end fraction equals 1 xy space plus space yz space plus space zx space equals space xyz
Answered by Vijaykumar Wani | 27 Sep, 2016, 10:10: AM

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CBSE 11-science - Maths
The length of a rectangle is 5 more than the 2 times of its breadth. If the perimeter of the rectangle is at least 640 cm. Find the minimum value of its breadth.  
Asked by manthanpal3 | 28 Jun, 2023, 12:20: PM
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CBSE 11-science - Maths
In connection with my previous doubt. Sir/Ma'am, but why are the signs of the inequalities reversed in the 2 inequations in the RD solution?
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Asked by youdhustu | 25 Jun, 2022, 01:48: PM
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CBSE 11-science - Maths
How to split this double inequality into 2 inequations and get the solution set of the system of inequations by intersection method? I didn't understand how to split it into 2 inequations.
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Asked by youdhustu | 25 Jun, 2022, 12:10: PM
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CBSE 11-science - Maths
A= {(x, y): x, y∈ I, X≥0, y≥0 and 5x + 6y ≤40} B= {(x, y): x, y∈ l, x≥0, y≥0 and 6x + 5y ≤ 40} Where I denotes set of integers, then n(A∩B) is
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CBSE 11-science - Maths
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CBSE 11-science - Maths
Find values of x for:- ||x-1|-2|=|x-3|
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CBSE 11-science - Maths
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Asked by anshr8260 | 24 May, 2020, 07:03: PM
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CBSE 11-science - Maths
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CBSE 11-science - Maths
Solve (x+7/x+4)>1;x belongs to R
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