A) \[-\,7x{{y}^{2}}z, -7{{x}^{2}}yz\]
B) \[-\,10\,xy{{z}^{2}}, 3xy{{z}^{2}}\]
C) \[3xyz,\,3{{x}^{2}}{{y}^{2}}{{z}^{2}}\]
D) \[4xy{{z}^{2}}, 4{{x}^{2}}yz\]
Correct Answer: B
Solution :
Sol. (b) Like terms are those terms, having same algebraic factor. Hence, \[-10xy{{z}^{2}} and~3xy{{z}^{2}}\] are like terms as they contain \[xy{{z}^{2}}\] same factor.
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