Advertisements
Advertisements
Question
If x = 2, y = 5 and z = 4, find the value of the following:
`(5"x"^4"y"^2"z"^2)/(2"x"^2)`
Advertisements
Solution
`(5"x"^4"y"^2"z"^2)/(2"x"^2)`
= `(5"x"^(4-2)"y"^2"z"^2)/2`
= `(5"x"^2"y"^2"z"^2)/2`
= `(5(2)^2(5)^2(4)^2)/2`
= `(5xx4xx25xx16)/2`
= 5 × 2 × 25 × 16
= 4,000
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
x + y = .......
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
xy − bd = ..............
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
xz + cd = ...................
Find the value of p + 2q + 3r, when p = 1, q = 5 and r = 2
If a = 3, b = 0, c = 2 and d = 1, find the value of ab − bc + cd − da
Find the value of 3x3 – 4x2 + 5x – 6, when x = − 1.
Simplify:
(15b − 6b) − (8b + 4b)
Simplify:
`5{"a"^2-"a"("a"-overline("a"-2))}`
Insert the bracket as indicated:
2x − y + 2z = 2z − (....................)
If P = − 12x2 – 10xy + 5y2, Q = 7x2 + 6xy + 2y2, and R = 5x2 + 2xy + 4y2 ; find P – Q
