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Byju's Answer
Standard XII
Mathematics
Finding Derivative of a Function
Value of limx...
Question
Value of
lim
x
→
2
(
8
−
3
x
+
12
x
2
)
is
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Solution
To evaluate the limit of a polynomial function, we use direct substitution.
lim
x
→
2
(
8
−
3
x
+
12
x
2
)
=
8
−
3
(
2
)
+
12
(
4
)
=
50
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0
Similar questions
Q.
Solve:
∣
∣ ∣ ∣
∣
x
2
−
1
x
2
+
2
x
+
1
2
x
2
+
3
x
+
1
2
x
2
+
x
−
1
2
x
2
+
5
x
−
3
4
x
2
+
4
x
−
3
6
x
2
−
x
−
2
6
x
2
−
7
x
+
2
12
x
2
−
5
x
−
2
∣
∣ ∣ ∣
∣
=
0
. Let sum of all values of x be k. Find -2k.
Q.
Solve
12
x
2
+
18
x
+
12
18
x
2
+
12
x
+
58
=
2
x
+
3
3
x
+
2
solution is
−
15
8
If true then enter
1
and if false then enter
0
Q.
If
(
2
x
2
−
3
x
+
1
)
(
2
x
2
+
5
x
+
1
)
=
9
x
2
, then the absolute value of the sum of all real roots of the equation is:
Q.
Let
f
(
x
)
=
{
x
2
/
2
0
<
x
≤
1
2
x
2
−
3
x
+
3
,
1
<
x
<
2
then which is incorrect
Q.
Let
f
(
x
)
=
⎧
⎨
⎩
x
2
2
0
<
x
≤
1
2
x
2
−
3
x
+
3
1
<
x
<
2
then which is correct
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Finding Derivative of a Function
Standard XII Mathematics
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