Asked by MIke A
expand ( 5d-1) 4
Answers
Answered by
drwls
Do you mean (5d -1)^4 ?
Square 5d -1 twice.
The first squaring will give you
25d^2 -10d +1
Now square that. There will be more terms next time.
This is not trigonometry
Square 5d -1 twice.
The first squaring will give you
25d^2 -10d +1
Now square that. There will be more terms next time.
This is not trigonometry
Answered by
drwls
Some people call the nth harmonic the nth ABOVE the fundamental and do not call the fundamental a harmonic. In that case, your answer would be 104/8 = 13 cm
Answered by
drwls
Whoops. Ignore last answer. I posted it in the wrong place
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