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ICSE Class 10 Answered

Question 3,4,5 and 6 from Ratio & Proportion topic.  
question image
Asked by Sanjeev | 23 Feb, 2018, 09:31: AM
answered-by-expert Expert Answer
begin mathsize 16px style Let space straight A space be space the space mean space proportion space between space open parentheses square root of 48 minus 2 square root of 3 close parentheses space and space open parentheses square root of 48 plus 2 square root of 3 close parentheses.
Then comma space
straight A squared equals open parentheses square root of 48 minus 2 square root of 3 close parentheses space open parentheses square root of 48 plus 2 square root of 3 close parentheses
rightwards double arrow straight A squared equals open parentheses square root of 48 close parentheses squared minus open parentheses 2 square root of 3 close parentheses squared
rightwards double arrow straight A squared equals 48 minus 12 equals 36
rightwards double arrow straight A equals 6 end style
 
 
Remark: Please post one query at a time.
Answered by Rashmi Khot | 23 Feb, 2018, 10:28: AM

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