Using Beta function: ∫01xm−1(1−x)n−1dx=B(m,n)=(m+n−1)!(m−1)!(n−1)!.
Here m=2, integrand exponent =n, so this is B(2,n+1)=(n+2)!1!n!=(n+1)(n+2)1.
In the equation of trend line y_t = a + bx, a and b represent :
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
In the equation of trend line yt=a+bx, a and b represent :
Official previous-year question
Held on 15 Jun 2023 · Verified 13 Jul 2026.
Options
- A
the mean of y and the slope of trend line respectively
- B
the slope of trend line and the mean of y respectively
- C
the mean of xy and the slope of trend line respectively
- D
the slope of trend line and the mean of x respectively
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