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a polynomial of degree 33 if it is divided by x2+x2x^2+x-2 the remainder is 2x12x-1. if it is divided by x2+x3x^2+x-3, the remainder is 3x33x-3. the polynomial is

Full solution

Q. a polynomial of degree 33 if it is divided by x2+x2x^2+x-2 the remainder is 2x12x-1. if it is divided by x2+x3x^2+x-3, the remainder is 3x33x-3. the polynomial is
  1. Polynomial Expression: Let's call the polynomial P(x)P(x). Since P(x)P(x) is of degree 33, we can express it as P(x)=ax3+bx2+cx+dP(x) = ax^3 + bx^2 + cx + d.
  2. Division by First Polynomial: When P(x)P(x) is divided by x2+x2x^2+x-2, the remainder is 2x12x-1. So, P(x)=(x2+x2)Q(x)+2x1P(x) = (x^2+x-2)Q(x) + 2x-1 for some polynomial Q(x)Q(x).
  3. Division by Second Polynomial: Similarly, when P(x)P(x) is divided by x2+x3x^2+x-3, the remainder is 3x33x-3. So, P(x)=(x2+x3)R(x)+3x3P(x) = (x^2+x-3)R(x) + 3x-3 for some polynomial R(x)R(x).
  4. Equating Remainders: The remainders are equal when the divisors are equal, so we set x2+x2=x2+x3x^2+x-2 = x^2+x-3 and solve for xx. But this is incorrect, as the divisors are different and we cannot equate them. We should instead equate the remainders when the same value of xx is used.

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