Q. 21,22,23,24

Asked by Rayeesa | 9th Apr, 2018, 08:49: AM

Expert Answer:

begin mathsize 16px style 4 open parentheses straight x squared plus 1 over straight x squared close parentheses plus 8 open parentheses straight x minus 1 over straight x close parentheses minus 29 equals 0
open parentheses straight x minus 1 over straight x close parentheses squared equals straight x squared plus 1 over straight x squared minus 2
put space open parentheses straight x minus 1 over straight x close parentheses equals straight t
4 straight t squared plus 8 plus 8 straight t minus 29 equals 0
4 straight t squared plus 8 straight t minus 21 equals 0
solve space..... and space resubstitute end style

Answered by Arun | 9th Apr, 2018, 03:02: PM

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