Verified Solution Mathematics Polynomials

If alpha, beta, gamma are the zeros of the polynomial 2x³ + x² - 13x + 6, then alpha*beta + beta*gamma + gamma*alpha is equal to:

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Solution ✔ Verified
  • A13/2
  • B-13/2
  • C6
  • D-6
Explanation

For a cubic polynomial ax³ + bx² + cx + d, the sum of products of zeros taken two at a time is c/a.

Here, c/a = -13/2.

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