Mathematics
Identify like terms in the following:
(i) a2, b2, -2a2, c2, 4a
(ii) 3x, 4xy, -yz, zy
(iii) -2xy2, x2y, 5y2x, x2z
(iv) abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2
Algebraic Expressions
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Answer
(i) a2, b2, -2a2, c2, 4a
Since a2 and -2a2 have the same literal part
∴ Like terms are a2 and -2a2.
(ii) 3x, 4xy, -yz, zy
Since -yz and zy have the same literal part
∴ Like terms are -yz and zy.
(iii) -2xy2, x2y, 5y2x, x2z
Since -2xy2 and 5y2x have the same literal part
∴ Like terms are -2xy2 and 5y2x.
(iv) abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2
Since ab2c, acb2, b2ac and cab2 have the same literal part
∴ Like terms are ab2c, acb2, b2ac and cab2.
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