What are the terms in the following expressions? Show how the terms are formed. Draw a tree
diagram for each expression. By + 3x², 7mn - 4, 2xy, 4x -3y
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It is given that two circle having radii 5.5 cm and 4.2 cm touch each other externally. We know, the distance between the centres of the circles touching externally is equal to the sum of their radii. Thus, the distance between their centres is 9.7 cm.
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