Thus, a zero of 3x – 2 is
(v) Since p(x) = 3x
∴ p(x) = 0
⇒ 3x = 0
Thus, a zero of 3x is 0.
(vi) Since, p(x) = ax, a ≠ 0
∴ p(x) = 0
⇒ ax = 0
or
Thus, a zero of ax is 0.
(viii) Since, p(x) = cx + d
∴ p(x) = 0
⇒ cx + d = 0
or cx = –d
or
Thus, a zero of cx + d is
2