(iii) (3a - 1)(3B - 1)
Answers
Answered by
0
Answer:
3
a
(
3
b
)
+
3
a
⋅
−
1
−
1
(
3
b
)
−
1
⋅
−
19
a
b
−
3
a
−
3
b
+
1
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