A) The terms \[4{{x}^{2}}y\] and \[3x{{y}^{2}}\]are like terms.
B) The coefficient of \[{{y}^{2}}\] in the expression \[-2{{x}^{2}}+8x{{y}^{2}}+39\,\,\text{is}\,\,8x.\]
C) \[3,\text{ }x,\text{ }{{x}^{2}}\]and \[y\] are factors of \[3{{x}^{2}}y.\]
D) The expression \[15{{p}^{2}}q+\] \[8p{{q}^{2}}\] \[+\] \[42pq\] \[+\]\[99\]contains 4 terms.
Correct Answer: A
Solution :
(a) Two terms are called like terms only when their variable part is the same. In \[4{{x}^{2}}y,\]variable is \[{{x}^{2}}y\] whereas in \[3x{{y}^{2}},\]variable is\[x{{y}^{2}}.\]
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