Question

2.
(a) 3a + 2b
(b) If p = - 3, 9 = 0, r = 2, find the value of
(a) P + q + r + 1
(b) 2pq + 3gr - Apr
3.
4.
If z = - 9, find the value of
Z
6
5.
If a = 1, b = - 2, C = - 1, show that 7a + b + c = 2abc​

Answer 1

Answer:

i don't known the answer