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Mizoram Class 10 Answered

What should be substracted from 18/(x+2)(x-1) to obtain 16/(x+1)(x-1)?
Asked by Chakma.tukru | 13 Feb, 2019, 07:16: AM
answered-by-expert Expert Answer
begin mathsize 12px style L e t space u s space s u b t r a c t space alpha space f r o m space fraction numerator 18 over denominator open parentheses x plus 2 close parentheses open parentheses x minus 1 close parentheses end fraction space t o space g e t space fraction numerator 16 over denominator open parentheses x plus 1 close parentheses open parentheses x minus 1 close parentheses end fraction H e n c e space fraction numerator 18 over denominator open parentheses x plus 2 close parentheses open parentheses x minus 1 close parentheses end fraction space minus space alpha space equals space fraction numerator 16 over denominator open parentheses x plus 1 close parentheses open parentheses x minus 1 close parentheses end fraction space space alpha space equals space fraction numerator 18 over denominator open parentheses x plus 2 close parentheses open parentheses x minus 1 close parentheses end fraction space minus space fraction numerator 16 over denominator open parentheses x plus 1 close parentheses open parentheses x minus 1 close parentheses end fraction space equals space fraction numerator 18 open parentheses x plus 1 close parentheses space minus space 16 open parentheses x plus 2 close parentheses over denominator open parentheses x plus 2 close parentheses open parentheses x plus 1 close parentheses open parentheses x minus 1 close parentheses end fraction space equals space fraction numerator 2 open parentheses x minus 7 close parentheses over denominator open parentheses x plus 2 close parentheses open parentheses x plus 1 close parentheses open parentheses x minus 1 close parentheses end fraction end style
Answered by Thiyagarajan K | 13 Feb, 2019, 11:57: AM

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What should be substracted from 18/(x+2)(x-1) to obtain 16/(x+1)(x-1)?
Asked by Chakma.tukru | 13 Feb, 2019, 07:16: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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