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In physics and engineering the quality factor or Q factor is a dimensionless parameter that describes how under-damped an oscillator or resonator is, and characterizes a resonator's bandwidth relative to its center frequency.
- Q factor, a measurement of a resonant system's relative bandwidth
- Q factor (bicycles), the width between where a bicycle's pedals attach to the cranks
- Q factor (digital communications), a way of representing bit error rates in dB
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What is the factor of q3-q2 plus 2q-2?
q3-q2+2q-2 = (q-1)(q2+2) = (q-1)(q+2.5i)(q-2.5i)
How do you draw a Factor tree with 12q when q stands for a prime number?
12q 2,6q 2,2,3q 2,2,3,q
How do you factor 2q squared minus 10?
2(q^2 - 5) or 2(q - the square root of 5)(q + the square root of 5)
Why all numbers other than square numbers have an even number of factors?
Consider a number k. Let m be the square root of k : since k is not a square number, m is not an integer and so m cannot be a factor of k.Suppose p is a factor of k and suppose p< m.Then k has another factor q such that k = p*q and since p < m, then q> m.Thus, for every factor smaller than the square root, there is another factor that is larger than the square root. That is, the factors come is distinct pairs and so there is an even number of factors.
Why is it possible to draw more than two different rectangles with an area of 36 units?
This is because 36 is a composite number.A prime number, p, has only the factorisation 1*p and so that is the only rectangle possible. But for a composite number there is at least one other factor q which may have a factor pair q' such that q*q' = p. q and q' could be the same if the number p was the square of q.So then you have rectangles of size 1*p and q*q'.
