Identify the incorrect item(s): − = (x − y)(x + y)(x − y)x3 y3 an + ap + mn + mp = (a + m)(n + p) 2 − x − 1 = (2x + 1)(x − 1)x2 − + 4 = (x + 2)(2 −...

Identify the incorrect item(s):
− = (x − y)(x + y)(x − y)x3 y3
an + ap + mn + mp = (a + m)(n + p)
2 − x − 1 = (2x + 1)(x − 1)x2
− + 4 = (x + 2)(2 − x)x2
I- The first item is incorrect.
II- The second item is correct.
III- The third item is correct.
IV- The fourth item is incorrect.
a) Only item I is incorrect.
b) Only item IV is incorrect.
c) Items I and IV are incorrect.
d) All items are correct.
e) Items II and III are correct.