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Let the cost price of item ‘X’ be Rs. x
Therefore, cost price of item ‘Y’ = Rs. (x + 1800)
According to the question,
3200 – x = x + 1800 – 3200
Or, 2x = 4200
Or, x = 2100
Therefore, cost price of item ‘X’ = Rs. 2100
The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is
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