i. Rohan's mother gave him xy? and his father gave him .5(xy2 + 2). Out of this total money, he spent (10 – 3xy?) on his birthday party. How much money is left with him?
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Answer:
Step-by-step explanation:
Given that
Amount given to Rohan by his mother =Rs.3xy
2
Amount given to Rohan by his father =Rs.5(xy
2
+2)
Total amount Rohan have [(3xy
2
)+(5xy
2
+10)]=Rs.(8xy
2
+10)
Total amount spent by Rohan =Rs.(10−3xy
2
)
After spending Rohan have left money
=RS.(8xy
2
+10)−Rs.(10−3xy
2
)=Rs.(8xy
2
+3xy
2
+10−10)=Rs.5xy
2
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