If the monomial a ^ 4 B ^ 2N-1 is the same as - 2 / 3A ^ 4 B ^ n + 7, then the value of n is? | Math enthusiast | Mathematical art

If the monomial a ^ 4 B ^ 2N-1 is the same as - 2 / 3A ^ 4 B ^ n + 7, then the value of n is?

It's easy to understand the concept of similar terms~
In this question, a and B are letters, and the common point is that each letter has the same number of times
Here "times" refers to "index", which means several powers
For example, a is 4 times, B is 2N-1 times,
Then the last a must also be 4 times. (it has nothing to do with the previous - 2 / 3, that's the coefficient)
B is also 2N-1, so 2N-1 = n + 7 ~ the first floor is right~
(also, if a monomial contains two letters and one contains one letter, the number of extra letters must be zero to be a similar term.)

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