combonations for a & b
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Answer:
a+b
Step-by-step explanation:
a+b is the combination of a & b
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Answer:
Mark me as a brainlist please
Step-by-step explanation:
The answer is 2! ...
This is a word formation problem, we need two letters (A and B) to be side by side, the possible number of ways to arrange two letters side by side is 2!, leaving use 8 other letters to choose from to create the remaining 8 spaces which is 8!, so 2!
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