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ICSE Class 9 Answered

Please answer the questions of example 11
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Asked by Kanwaranita10 | 06 Feb, 2019, 02:37: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 1 over denominator log subscript a n end fraction plus fraction numerator 1 over denominator begin display style log subscript c end style begin display style n end style end fraction space equals space fraction numerator 2 over denominator begin display style log subscript b end style begin display style n end style end fraction log subscript n a space plus space log subscript n c space equals space 2 space log subscript n b space equals space log subscript n b squared log subscript n a c space equals space log subscript n b squared h e n c e space a c equals b squared end style
 
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begin mathsize 16px style fraction numerator log subscript a n over denominator log subscript a b end subscript n end fraction space equals space log subscript a n space space cross times space log subscript n a b space space equals space log subscript a a b space equals space log subscript a a space plus space log subscript a b space equals space 1 space plus space log subscript a b end style
Answered by Thiyagarajan K | 06 Feb, 2019, 03:42: PM

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ICSE 9 - Maths
(a+b-c)(a-b+c) simplify by using formulas 
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ICSE 9 - Maths
in the adjoining figure x and y are midpoints of side ab and ac respectively of triangle ABC if BC is equals to 7 cm ab is equals to 8.4 cm and ac is equals to 7.4 CM then find the perimeter of trapezium xbc y
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ICSE 9 - Maths
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ICSE 9 - Maths
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ICSE 9 - Maths
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ICSE 9 - Maths
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ICSE 9 - Maths
a
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