profile-img
Vijay Singh chauhan Asked a Question
March 25, 2022 8:48 pmpts 30 pts
How many real roots does the polynomial 3X° +9X +7 have? (a) 1 (b) 3 (c) 5 (d) 0
  • 1 Answer(s)
  • 0 Likes
  • 1 Comments
  • Shares
  • Abhi 1 Best Answer
    let given polynomial is f(x). when we take derivative of f(x) then f'(x)=15x^4 +9 and f'(x) have complex roots which means f'(x)>0 for all x . So f(x) is strictly increasing funct...
    Show more
    Likes(0) Reply(0)