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ICSE Class 9 Answered

open square brackets 3 x plus 2 over x minus 1 close square brackets squared
Asked by shreeyashkamble03.9spicertl | 15 Jul, 2020, 12:10: PM
answered-by-expert Expert Answer
TO find [3x + 2/x - 1]2
 
open square brackets 3 x plus 2 over x minus 1 close square brackets squared equals open parentheses 3 x plus 2 over x close parentheses squared plus 1 minus 2 open parentheses 3 x plus 2 over x close parentheses
equals 9 x squared plus 4 over x squared plus 2 cross times 3 x cross times 2 over x plus 1 minus 6 x minus 4 over x
equals 9 x squared plus 4 over x squared plus 12 plus 1 minus 6 x minus 4 over x
equals 9 x squared minus 6 x minus 4 over x plus 4 over x squared plus 13
Answered by Renu Varma | 16 Jul, 2020, 11:17: AM
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