Q. 74.1( 13 Votes )

Use factor theorem to determine whether x+3 is factor of x2 + 2x – 3 or not.

Answer :

The coefficient form of the polynomial:

1.x2 + 2.x – 3

(1, 2, -3)

Since the last term is zero which indicates that the polynomial on dividing by x + 3 leaves no remainder and hence x + 3 is the factor of x2 + 2x – 3

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