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Foundations
medium
0:00.0
Find the value of
a
2
+
b
2
a^2 + b^2
a
2
+
b
2
if
a
+
b
=
10
a + b = 10
a
+
b
=
10
and
a
b
=
21
ab = 21
ab
=
21
.
A
58
B
100
C
42
D
79
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