Look at this sequence of numbers: 0, 1, 2, 4, 6, 9, 12, 16, ? - what number should replace the question mark?
1 answer:
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Answer:
⇒ [Factorized form]
Step-by-step explanation:
Given expression:
We need to make the subject.
In order to do that we need to solve the expression for in terms of
and
We have,
Subtracting both sides by
Taking square root both sides in order to remove square of
The difference of squares can be factorized and written as:
[difference of squares
]