d
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g.
What is the next letter? A Z B Y C X D
d
The next term is ' d ' .
Triple a is: 3a Then multiply this by b is: 3ab Multiply signs (×) are not written in algebra as they look too much like the letter x and confusion could arise; instead when two items are written next to each other (number next to a letter, or letter next to letter), multiplication of those two items is assumed. So "3ab" means "3 times a times b".