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Byju's Answer
Standard VII
Mathematics
Introduction
44 If x= 1-2 ...
Question
44 If x= 1-2 , then find the value of (x-1/x) whole case to the power 3
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Similar questions
Q.
If
x
2
+
1
x
2
=
7
then find the value of
x
3
+
1
x
3
using only the positive value of
x
+
1
x
.
Q.
Let
f
(
x
)
=
{
c
x
+
1
;
x
≤
3
c
x
2
−
1
;
x
>
3
.
If
f
(
x
)
is continuous at
x
=
3
then find the value of
c
.
Q.
If
f
(
x
)
=
{
7
−
4
x
,
x
<
1
x
2
+
2
,
x
≥
1
, then the value of
lim
x
→
1
f
(
x
)
is
Q.
Let
f
(
x
)
=
{
x
+
1
:
x
≤
1
3
−
a
x
2
:
x
>
1
.
Find the value of
a
if
f
is continuous at
x
=
1
.
Q.
If
f
(
x
)
=
{
7
−
4
x
,
x
<
1
x
2
+
2
,
x
≥
1
, then value of
lim
x
→
1
f
(
x
)
is
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