the cost of a chocolate is rupees X + Y and Rohit brought X + Y chocolates find the total amount paid by him in terms of x
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Cost of 1 chocolate = Rs.(x+y)
Cost of (x+y) chocolates = Rs.[(x+y)×(x+y)]
= Rs. (x²+y²+2xy)
Total amount paid by Rohit = Rs. (x²+y²+2xy)
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