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Mathematics
Mathematics
Problem
When the product
(
y
+
13
)
(
y
+
a
)
(y + 13)(y + a)
(
y
+
13
)
(
y
+
a
)
is expanded, the result is a quadratic in
y
y
y
. If this quadratic has no linear term, what must
a
a
a
be?
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