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\(\bigg(\frac{2x+y}{x+y}-1\bigg)÷\bigg(1-\frac{y}{x+y}\bigg)\) id equal to :(a) x (b) y (c) xy (d) 1 |
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Answer» (d) 1 \(\bigg(\frac{2x+y}{x+y}-1\bigg)÷\bigg(1-\frac{y}{x+y}\bigg)\) = \(\bigg[\frac{2x+y-(x+y)}{x+y}\bigg]÷\bigg[\frac{x+y-y}{x+y}\bigg]\) = \(\frac{x}{x+y}\times\frac{x+y}{x}=1\) |
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