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Find the zeros of the polynomial x3 − 5x2−16 x +80 if two zeros are equal in magnitude but opposite in sign.
  • a)
    4, -4, 5
  • b)
    5, -5, 4
  • c)
    4, -4, 7
  • d)
    5, -5, 6
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Find the zeros of the polynomial x3 − 5x2−16 x +80 if two ...
Let the zeros are α, -α, β.
∴ 
⇒ β = 5
and (α) (-α) (β) = 
⇒ -α2β = -80 ⇒ α2β = 80
⇒ 
⇒ α = ±4
The zeros are 4, -4, 5.
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Community Answer
Find the zeros of the polynomial x3 − 5x2−16 x +80 if two ...
The polynomial x^3 does not have any zeros.
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Find the zeros of the polynomial x3 − 5x2−16 x +80 if two zeros are equal in magnitude but opposite in sign.a)4, -4, 5b)5, -5, 4c)4, -4, 7d)5, -5, 6Correct answer is option 'A'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Find the zeros of the polynomial x3 − 5x2−16 x +80 if two zeros are equal in magnitude but opposite in sign.a)4, -4, 5b)5, -5, 4c)4, -4, 7d)5, -5, 6Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the zeros of the polynomial x3 − 5x2−16 x +80 if two zeros are equal in magnitude but opposite in sign.a)4, -4, 5b)5, -5, 4c)4, -4, 7d)5, -5, 6Correct answer is option 'A'. Can you explain this answer?.
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