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Byju's Answer
Standard XI
Statistics
Ogives
Draw a graph ...
Question
Draw a graph from the following data. Draw tangents at x = 2, 6 and 8. Find the slopes of these tangents. Verify that the curve draw is y = 2x
2
and the slope of tangent is
tan
θ
=
d
y
d
x
=
4
x
.
x
1
2
3
4
5
6
7
8
9
10
y
2
8
18
32
50
72
98
128
162
200