1.

Find degree of polynomial (x+1)(x2+x+1)

Answer»

(x + 1)( {x}^{2} + x + 1) \\ x( {x}^{2} + x + 1) + 1( {x}^{2} + x + 1) \\ {x}^{3} + {x}^{2} + x + {x}^{2} + x + 1 \\ {x}^{3} + {2x}^{2} + 2x + 1

HENCE, POLYNOMIAL (x + 1)( {x}^{2} + x + 1) has THREE DEGREE .


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