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ayush verma
15 Years ago
(x + 4a) (x - a)4
Sol: ( )
a a a x a
a a a x a
a a x a a
a x a a a
1 1 1 1 1
x + 4a
( )
a 0 0 0 x a
a 0 0 x a 0
a 0 x a 0 0
a x a 0 0 0
1 0 0 0 0
x 4a
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-
-
-
+
(x + 4a) (x - a)4