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ICSE Class 9 Answered

x-1/x=5 find (x-1/x)*2
Asked by arpithare | 25 Dec, 2018, 02:27: PM
answered-by-expert Expert Answer
Your question is unclear
if it is 
begin mathsize 18px style straight x minus 1 over straight x equals 5 comma space find open parentheses straight x minus 1 over straight x close parentheses cross times 2 answer space is space 10 if space it space is space straight x minus 1 over straight x equals 5 comma space find open parentheses straight x minus 1 over straight x close parentheses squared answer space is space 25 if space it space is space straight x minus 1 over straight x equals 5 comma space find open parentheses straight x squared plus 1 over straight x squared close parentheses then comma open parentheses straight x minus 1 over straight x close parentheses squared equals 25....... squaring straight x squared minus 2 straight x cross times 1 over straight x plus 1 over straight x squared equals 25 straight x squared plus 1 over straight x squared equals 27 end style
Answered by Arun | 26 Dec, 2018, 09:40: AM

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