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IUT_18-19
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-০৮ঃ ফাংশন ও ফাংশনের লেখচিত্র
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All Topics
If
A
=
R
−
{
3
}
,
B
=
R
−
{
1
}
\text { If } A=R-\{3\}, B=R-\{1\}
If
A
=
R
−
{
3
}
,
B
=
R
−
{
1
}
and a function
f
:
\text { and a function } f:
and a function
f
:
A
→
B
is defined by
f
(
x
)
=
x
−
2
x
−
3
. What is the value of
A \rightarrow B \text { is defined by } f(x)=\frac{x-2}{x-3} \text {. What is the value of }
A
→
B
is defined by
f
(
x
)
=
x
−
3
x
−
2
. What is the value of
f
−
1
(
0
)
?
f^{-1}(0) ?
f
−
1
(
0
)?
A.
−
1
-1
−
1
B.
2
2
2
C.
−
2
-2
−
2
D.
1
1
1
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