Question

Verify that 1, -1 & -3 are the zeroes of cubic polynomial P(x)= X ^3+ 3x^2-x+3

Answer 1

Answer:

verifying for 1

p(x) =x^3+3x^2-x+3

Or, (1) ^3+3×(1) ^2-1+3

Or, 1+3-1+3

Or, 6

So, 1 is not a zero of the polynomial.

Step-by-step explanation:

All this type question are solve in the same process.

So, solve it by yourself