Show that one root of the equation
| x+a b c|
| b. x+c. a|. =. 0 is -(a+b+c).
| c. a x+b|

Dear student,

Kindly find the answer to your query:
x+abcbx+cacax+b=0Applying, C1C1+C2+C3x+a+b+cbcx+a+b+cx+cax+a+b+cax+b=0Taking common from C1, x+a+b+c1bc1x+ca1ax+b=0So either x+a+b+c=0 or 1bc1x+ca1ax+b=0hence x = -a+b+c is one of the root Applying, C1C1+C2+C3

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