Answer:
b
Step-by-step explanation:
Answer:
(
a
−
1
+
b
)(
a
−
1
−
b
)
.
Step-by-step explanation:
sorry i couldn't solve the last and the last second one
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If there is any kind of suspicious mistake
then sorry
B is the answer hope I help
Answer:1:2
Step-by-step explanation:
it is this answer because you have 2 circles for 4 triangles, you can simplify that by dividing each number by 2 and you get 1 and 2