To verify that the sum of first n odd natural numbers is n2. • Draw squares of sides 1 cm, 2 cm, 3 cm, 4 cm and 5 cm and cut them. • Divide the squares into smaller squares of side 1x1 and shade each square with a different colour.Count the number of squares in different colour bands and write the numbers at the corners as shown. and so on... 12 = 1 22 = 1+3=4 32 = 1+3+5=9 42=1+3+5+7=16 52=1+3+5+7+9=25
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Pg 25 शThe fat portion of the milk contains fat soluble vitamins. The solids other than fat include proteins, carbohydrates, water soluble vitamins, and minerals. These nutrients in milk help make it nature's most nearly perfect food.
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