✓ Board-verified↻ asked 3×
Mathematics · 2023 · 1 mark
CBSE 2023 · Region 4 · Set 1 · Q8
If $\displaystyle \alpha, \beta$ are zeroes of the polynomial $\displaystyle x^{2}-1$, then value of $\displaystyle (\alpha+\beta)$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 0$
More from Polynomials
- If one zero of the polynomial p(x)=6 x^2+37 x-(k-2) is reciprocal of the other, then find the value of k.2023 · asked 3×
- Two polynomials are shown in the graph below. The number of distinct zeroes of both the polynomials is:2025 · asked 3×
- Assertion: The polynomial p(y)=y^2+4 y+3 has two zeroes. Reason (R): A quadratic polynomial can have at most…2026 · asked 3×
- If α, β are the zeroes of the polynomial p(x)=4 x^2-3 x-7, then (1/(α)+1/(β)) is equal to:2023 · asked 3×
- If α and β are two zeroes of a polynomial f(x)=px^2-2 x+3 p and α+β=α β, then value of p is:2026 · asked 3×
- If the zeroes of the polynomial a x^2+b x+(2 a)/ are reciprocal of each other, then the value of b is2025 · asked 3×
- Find the zeroes of the polynomial 4 x^2+4 x-3 and verify the relationship between zeroes and coefficients of…2024 · asked 3×
- The graph of y=f(x) is given. The number of zeroes of f(x) is:2026 · asked 3×
CBSE Class 10 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.