Pascal's Triangle
Watch
Explore
1 / 7
(
a
+
b
)
n
: the coefficients are row
n
(
a
+
b
)
4
=
a
4
+
4
a
3
b
+
6
a
2
b
2
+
4
a
b
3
+
b
4
Add row
Remove row
Tap a number inside the triangle.