Advertisements
Advertisements
Question
State true and false:
`(2"x"-4)/("x"+1)` = − 1, when x = 1
Options
True
False
Advertisements
Solution
True.
Verification `(2"x"-4)/("x"+1)` = − 1,
When x = 1 = `(2xx1-4)/(1+1)` = − 1
= `(2-4)/2=-1=(-2)/2=-1`
= − 1 = − 1.
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
ab + y = ...............
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
z − a − b = ................
Find the value of 2a + 4b + 5c, when a = 5, b = 10 and c = 20
Simplify:
x + y − (x + `overline("y"-"x"))`
Fill in the blank:
6p − 5x + q = 6p − (...........)
Insert the bracket as indicated:
2x − y + 2z = 2z − (....................)
Find the value of 3ab + 10bc – 2abc when a = 2, b = 5 and c = 8.
If x = a2 – bc, y = b2 – ca, and z = c2 – ab; find the value of ay – bx + cz
Simplify:
3x – 6 {3x – 8 (5x – 10)}
Simplify:
`8"x"−(3"x"−overline(2"x"-3))`
