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Standard XII
Mathematics
Question
lim
x
→
1
(
2
x
−
3
)
(
√
x
−
1
)
2
x
2
+
x
−
3
.
is
−
1
b
Find b
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Solution
Verified by Toppr
lim
x
→
1
(
2
x
−
3
)
(
√
x
−
1
)
2
x
2
+
x
−
3
=
lim
x
→
1
(
2
x
−
3
)
(
√
x
−
1
)
(
2
x
+
3
)
(
x
−
1
)
=
lim
x
→
1
2
x
−
3
(
2
x
+
3
)
(
√
x
+
1
)
=
2
−
3
(
2
+
3
)
(
1
+
1
)
=
−
1
10
⇒
b
=
10
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