(t2 − 1)2 . 2t2

is gelijk aan 		A.   2t6 − 4t3 + 2t2
B.   2t8 − 4t4 + 2t2
C.   2t6 − 2t2
D.   2t8 − 4t3 + 2t2
E.   2t6 − 4t4 + 2t2
A    B    C    D    E 

[ 3-3102 - op net sinds 27.2.14-(E)-25.10.2023 ]

Translation in   E N G L I S H

(t2 − 1)2 . 2t2
is equal to 		A.   2t6 − 4t3 + 2t2
B.   2t8 − 4t4 + 2t2
C.   2t6 − 2t2
D.   2t8 − 4t3 + 2t2
E.   2t6 − 4t4 + 2t2

Oplossing - Solution

  (t2 − 1)2 . 2t2
= (t4 − 2t2 + 1).2t2 = 2t6 − 4t4 + 2t2