Advertisements
Advertisements
प्रश्न
State true and false:
`(2"x"-4)/("x"+1)` = − 1, when x = 1
विकल्प
True
False
Advertisements
उत्तर
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.
APPEARS IN
संबंधित प्रश्न
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
c ÷ b = ...........
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
d − a + x = ................
If a = 3, b = 0, c = 2 and d = 1, find the value of 2a2 − 3b2 + 4c2 − 5d2
State true and false:
The value of x + 5 = 6, when x = 1
Simplify:
4x + 3 (2x − 5y)
Simplify:
`"a"−[−{−(a−overline("b"-"c"))}]`
If x = 3, y = 2 and z = 1; find the value of xy
If x = a2 – bc, y = b2 – ca, and z = c2 – ab; find the value of ay – bx + cz
Simplify:
`12"x"^2-(7"x"-overline(3"x"^2+15))`
Evaluate (2 + x) × y when x = 3, y = 4:
