If \[{{\left( \mathbf{3a+1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{b-1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{2c-3} \right)}^{\mathbf{2}}}\mathbf{=0,}\] than value of \[\left( \mathbf{3a+b+2c} \right)\]is equal to:

If \[{{\left( \mathbf{3a+1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \

1.	If \[{{\left( \mathbf{3a+1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{b-1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{2c-3} \right)}^{\mathbf{2}}}\mathbf{=0,}\] than value of \[\left( \mathbf{3a+b+2c} \right)\]is equal to:
A.	3
B.	-1
C.	2
D.	5
Answer» B. -1

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If \[{{\left( \mathbf{3a+1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{b-1} \right)}^{\mathbf{2}}}\mathbf{+}{{\left( \mathbf{2c-3} \right)}^{\mathbf{2}}}\mathbf{=0,}\] than value of \[\left( \mathbf{3a+b+2c} \right)\]is equal to:

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