Advertisements
Advertisements
प्रश्न
The sum of (x + 5) observations is (x3 + 125). Find the mean of the observations
उत्तर
Sum of the observations = x3 + 125
Number of observations = x + 5
Mean of the observations = `"Sum of the observations"/"Number of observations"`
= `(x^3 + 125)/(x - 5)`
Mean = x2 – 5x + 25
APPEARS IN
संबंधित प्रश्न
Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder in each of the following
p(x) = x4 – 5x + 6, g(x) = 2 – x2
Check whether the first polynomial is a factor of the second polynomial by dividing the second polynomial by the first polynomial
x2 + 3x + 1, 3x4 + 5x3 – 7x2 + 2x + 2
Give examples of polynomials p(x), g(x), q(x) and r(x), which satisfy the division algorithm
deg r(x) = 0
Obtain all zeros of the polynomial f(x) = x4 − 3x3 − x2 + 9x − 6, if two of its zeros are `-sqrt3` and `sqrt3`
Find all zeros of the polynomial f(x) = 2x4 − 2x3 − 7x2 + 3x + 6, if its two zeros are `-sqrt(3/2)` and `sqrt(3/2)`
Find all the zeros of the polynomial x4 + x3 − 34x2 − 4x + 120, if two of its zeros are 2 and −2.
Verify division algorithm for the polynomial `f(x)= (8 + 20x + x^2 – 6x^3) by g(x) =( 2 + 5x –3x^2).`
If `x^3+ x^2-ax + b` is divisible by `(x^2-x)`,write the value of a and b.
State Division Algorithm for Polynomials.
Which one of the following statements is correct?
