 # HSC EV Higher Mathematics 1st Paper 9th Chapter Note

HSC EV Higher Mathematics 1st Paper 9th Chapter Note. Differentiation. In the first section of this chapter, we saw the definition of the derivative and we computed a couple of derivatives using the definition.  As we saw in those examples there was a fair amount of work involved in computing the limits and the functions that we worked with were not terribly complicated. For more complex functions using the definition of the derivative would be an almost impossible task.  Luckily for us, we won’t have to use the definition terribly often.  We will have to use it on occasion, however, we have a large collection of formulas and properties that we can use to simplify our life considerably and will allow us to avoid using the definition whenever possible. We will introduce most of these formulas over the course of the next several sections.  We will start in this section with some of the basic properties and formulas.  We will give the properties and formulas in this section in both “prime” notation and “fraction” notation.

## HSC EV Higher Mathematics 1st Paper 9th Chapter Note. Differentiation   In this case, we have the sum and difference of four terms and so we will differentiate each of the terms using the first property from above and then put them back together with the proper sign.  Also, for each term with a multiplicative constant remember that all we need to do is “factor” the constant out (using the second property) and then do the derivative. Notice that in the third term the exponent was a one and so upon subtracting 1 from the original exponent we get a new exponent of zero. Now recall that.  Don’t forget to do any basic arithmetic that needs to be done such as any multiplication and/or division in the coefficients.

Trigonometric functions have a wide range of uses including computing unknown lengths and angles in triangles (often right triangles). In this use, trigonometric functions are used, for instance, in navigation, engineering, and physics. Common use in elementary physics is resolving a vector into Cartesian coordinates. The sine and cosine functions are also commonly used to model periodic function phenomena such as sound and light waves, the position and velocity of harmonic oscillators, sunlight intensity, and day length, and average temperature variations through the year.

Trigonometric functions have a wide range of uses including computing unknown lengths and angles in triangles (often right triangles). In this use, trigonometric functions are used, for instance, in navigation, engineering, and physics. Common use in elementary physics is resolving a vector into Cartesian coordinates. The sine and cosine functions are also commonly used to model periodic function phenomena such as sound and light waves, the position and velocity of harmonic oscillators, sunlight intensity, and day length, and average temperature variations through the year.

In mathematics, a combination is a selection of items from a collection, such that (unlike permutations) the order of selection does not matter. For example, given three fruits, say an apple, an orange, and a pear, there are three combinations of two that can be drawn from this set: an apple and a pear; an apple and an orange; or a pear and an orange. More formally, a k-combination of a set S is a subset of k distinct elements of S. If the set has n elements, the number of k-combinations is equal to the binomial coefficient.

Determinants occur throughout mathematics. For example, a matrix is often used to represent the coefficients in a system of linear equations, and the determinant can be used to solve those equations, although more efficient techniques are actually used, some of which are determinant-revealing and consist of computationally effective ways of computing the determinant itself. The use of determinants in calculus includes the Jacobian determinant in the change of variables rule for integrals of functions of several variables. Determinants are also used to define the characteristic polynomial of a matrix, which is essential for eigenvalue problems in linear algebra. In analytic geometry, determinants express the signed n-dimensional volumes of n-dimensional paralleled. Sometimes, determinants are used merely as a compact notation for expressions that would otherwise be unwieldy to write down. When the entries of the matrix are taken from a field (like the real or complex numbers), it can be proven that any matrix has a unique inverse if and only if its determinant is nonzero. Various other theorems can be proved as well, including that the determinant of a product of matrices is always equal to the product of determinants; and, the determinant of a Hermitian matrix is always real.

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## English Version HSC Higher Math Note

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