# Q. 2.     (i) Identify the terms and their factors in the following expressions                    Show the terms and factors by tree diagrams.                    (e)  $-ab+2ab^{2}-3a^{2}$

S Sayak

Expression: -ab + 2ab2 - 3a2

Terms in the above expression: -ab, 2ab2 and -3a2

Factors of -ab: -1, a and b

Factors of 2ab2: 2, a, b and b

Factors of -3a2: -1, 3, a and a

Tree diagram for the given expression

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