Advertisements
Advertisements
Question
Find the excluded values, of the following expression
`"t"/("t"^2 - 5"t" + 6)`
Advertisements
Solution
The expression `"t"/("t"^2 - 5"t" + 6)` is undefined
when t2 – 5t + 6 = 0
(t – 3) (t – 2) = 0

t – 3 = 0 or t – 2 = 0
t = 3 or t = 2
The excluded values are 2 and 3
APPEARS IN
RELATED QUESTIONS
Find the excluded values, of the following expression
`(x^3 - 27)/(x^3 + x^2 - 6x)`
Simplify `("p"^2 - 10"p" + 21)/("p" - 7) xx ("p"^2 + "p" - 12)/("p" - 3)^2`
If x = `("a"^2 + 3"a" - 4)/(3"a"^2 - 3)` and y = `("a"^2 + 2"a" - 8)/(2"a"^2 - 2"a" - 4)` find the value of x2y–2
Simplify `(x + 2)/(x + 3) + (x - 1)/(x - 2)`
Simplify `((2x + 1)(x - 2))/(x - 4) - ((2x^2 - 5x + 2))/(x - 4)`
Simplify `(4x)/(x^2 - 1) - (x + 1)/(x - 1)`
Subtract `1/(x^2 + 2)` from `(2x^3 + x^2 + 3)/(x^2 + 2)^2`
Identify rational expression should be subtracted from `(x^2 + 6x + 8)/(x^3 + 8)` to get `3/(x^2 - 2x + 4)`
One hundred and fifty students are admitted to a school. They are distributed over three sections A, B and C. If 6 students are shifted from section A to section C, the sections will have equal number of students. If 4 times of students of section C exceeds the number of students of section A by the number of students in section B, find the number of students in the three sections
At t minutes past 2 pm, the time needed to 3 pm is 3 minutes less than `("t"^2)/4`. Find t.
