1.

The perimeter of a triangular field is \[6{{p}^{2}}-4p+9\] and two of its sides are \[{{p}^{2}}-2p+1\] and \[3{{p}^{2}}-5p+3\], Find the third side of the field.

A.  \[8{{p}^{2}}+11p-7\]       
B.  \[2{{p}^{2}}+3p+5\]
C.      \[3{{p}^{2}}+5p-4\]
D.      \[5{{p}^{2}}-5p+9\]
Answer» C.      \[3{{p}^{2}}+5p-4\]


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