Advertisements
Advertisements
प्रश्न
`p(x) = x^2 - 7 sqrt 7 x + 3 "then " p(7 sqrt 7) = ?`
विकल्प
3
`7sqrt7`
`42 sqrt 7 + 3`
`49 sqrt 7`
उत्तर
3
Explanation:
`p(x) = x^2 - 7 sqrt 7 x + 3`
`therefore p(7sqrt7)`
= `(7 sqrt 7)^2 - 7sqrt7 xx 7 sqrt 7 + 3`
= 343 - 343 + 3
= 3
APPEARS IN
संबंधित प्रश्न
For x = 0 find the value of the polynomial x2 - 5x + 5.
If `p(y) =y^2 - 3sqrt2y + 1` then find `p (3sqrt 2)`.
Find the value of the polynomial 2x − 2x3 + 7 using given values for x.
x = 3
For the following polynomial, find p(1), p(0) and p(-2).
p(y) = y2 − 2y + 5
For the following polynomial, find p(1), p(0) and p(-2).
p(x) = x4 − 2x2 − x
If the value of the polynomial m3 + 2m + a is 12 for m = 2, then find the value of a.
If p(x) = 2 + 5x then p(2) + p(−2) − p(1).
At the end of the year 2016, the population of villages Kovad, Varud, Chikhali is 5x2 - 3y2, 7y2 + 2xy and 9x2 + 4xy respectively. At the beginning of the year 2017, x2 + xy - y2, 5xy and 3x2 + xy persons from each of the three villages respectively went to another village for education then what is the remaining total population of these three villages?
Find the value of the polynomial f(y) = 6y – 3y2 + 3 at y = 1
Find the value of the polynomial f(y) = 6y – 3y2 + 3 at y = –1
