Question

In: Advanced Math

How many distinct arrangements of the letters in MANANGATANG are there in which the first two...

How many distinct arrangements of the letters in MANANGATANG are there in which the first two letters include an M or a T (or both)?

Note:

- MANANGATANG has 11 letters (one M, one T, two Gs, three Ns and four As).

- These are all the possible positionings of T and M in the first two positions:

M
M
T
T
M T
T M

PLEASE SHOW FULL LEGIBLE WORKING.

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