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ICSE Class 10 Answered

(1+1/x-1)×1/x-1=7/8
Asked by bindhubudida | 25 May, 2021, 09:44: PM
answered-by-expert Expert Answer
The question should be: Solve (1+1/x-1)×(1 - 1/x-1) = 7/8

open parentheses 1 plus fraction numerator 1 over denominator straight x plus 1 end fraction close parentheses cross times open parentheses 1 minus fraction numerator 1 over denominator straight x minus 1 end fraction close parentheses equals 7 over 8 rightwards double arrow open parentheses fraction numerator straight x plus 2 over denominator straight x plus 1 end fraction close parentheses open parentheses fraction numerator straight x minus 2 over denominator straight x minus 1 end fraction close parentheses equals 7 over 8 rightwards double arrow fraction numerator straight x squared minus 4 over denominator straight x squared minus 1 end fraction equals 7 over 8 rightwards double arrow 8 straight x squared minus 32 straight x equals 7 straight x squared minus 7 rightwards double arrow straight x squared equals 25 rightwards double arrow straight x equals plus-or-minus 5
Answered by Renu Varma | 26 May, 2021, 09:46: AM

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