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Asked by g_archanasharma | 05 Apr, 2019, 15:38: PM
answered-by-expert Expert Answer
D space i s space t h e space s e t space o f space a l l space r e a l space x space s u c h space t h a t space 1 minus e to the power of 1 over x minus 1 end exponent space i s space p o s i t i v e rightwards double arrow 1 minus e to the power of 1 over x minus 1 end exponent space greater than space 0 rightwards double arrow e to the power of 1 over x minus 1 end exponent less than 1 equals e to the power of 0 rightwards double arrow e to the power of 1 over x minus 1 end exponent less than e to the power of 0 rightwards double arrow 1 over x minus 1 less than 0 rightwards double arrow 1 over x less than 1 rightwards double arrow x greater than 1 rightwards double arrow x element of left parenthesis 1 comma infinity right parenthesis H e n c e comma space D equals left parenthesis 1 comma infinity right parenthesis.
Answered by Renu Varma | 05 Apr, 2019, 16:41: PM

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