In the expression \[{{\mathbf{a}}^{\mathbf{2}}}+\mathbf{3a}\mathbf{1}\], the coefficient of \[{{\mathbf{a}}^{\mathbf{2}}}\] is:

In the expression \[{{\mathbf{a}}^{\mathbf{2}}}+\mathbf{3a}\mathbf{1}\

1.	In the expression \[{{\mathbf{a}}^{\mathbf{2}}}+\mathbf{3a}\mathbf{1}\], the coefficient of \[{{\mathbf{a}}^{\mathbf{2}}}\] is:
A.	0
B.	1
C.	2
D.	3
E.	None of these
Answer» C. 2

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In the expression \[{{\mathbf{a}}^{\mathbf{2}}}+\mathbf{3a}\mathbf{1}\], the coefficient of \[{{\mathbf{a}}^{\mathbf{2}}}\] is:

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