Skip to content
Philoid
Browse Saved
Back to chapter
Maths
2. Polynomials
Home · Class 10 · Maths · Ref. Book · 2. Polynomials
Prev
Next
Q12 of 113 Page 65

If α and β are the zeros of x2 + 5x + 8 then the value of (α + β) is

Since, α and β are the zeroes of polynomialx2 + 5x + 8


And we know that,


x2 – (α + β) + αβ is the polynomial with α and β as its zeros


Thus, (α + β) = -5


Hence, option B is correct.

More from this chapter

All 113 →
10

A quadratic polynomial whose zeros are , is

11

The zeros of the quadratic polynomial x2 + 88x + 125 are

13

If α and β are the zeros of 2x2 + 5x – 9 then the value of αβ is

14

If one zero of the quadratic polynomial kx2 + 3x + k is 2 then the value of k is

Questions · 113
2. Polynomials
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved