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সমাধান সেট নির্ণয় কর: $\frac{z-2}{z-1}=2-\frac{1}{z-1}$

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$\frac{z-2}{z-1}=2-\frac{1}{z-1}$

বা, $\frac{z-2}{z-1}+\frac{1}{z-1}=2$

বা, $\frac{z-2+1}{z-1}=2$

বা, $\frac{z-1}{z-1}=2$

$\therefore 1=2$

কিন্তু সম্ভব নয়।
সুতরাং, প্রদত্ত সমীকরণের কোনো সমাধান নেই।

অর্থাৎ, নির্ণেয় সমাধান সেট $S=\varnothing$

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