By Sudhir R. Ghorpade, Balmohan V. Limaye

This booklet offers a self-contained and rigorous advent to calculus of services of 1 variable. The presentation and sequencing of issues emphasizes the structural improvement of calculus. while, due significance is given to computational suggestions and purposes. The authors have strived to make a contrast among the intrinsic definition of a geometrical thought and its analytic characterization. through the e-book, the authors spotlight the truth that calculus presents an organization starting place to a number of thoughts and effects which are ordinarily encountered in highschool and permitted on religion. for instance, you can see right here an evidence of the classical consequence that the ratio of the circumference of a circle to its diameter is similar for all circles. additionally, this publication is helping scholars get a transparent figuring out of the concept that of an attitude and the definitions of the logarithmic, exponential and trigonometric services including an explanation of the truth that those should not algebraic features. a couple of subject matters that could were inadequately lined in calculus classes and glossed over in genuine research classes are taken care of right here in massive aspect. As such, this e-book presents a unified exposition of calculus and genuine analysis.

The basically necessities for studying this e-book are subject matters which are usually coated in highschool; even though, the reader is anticipated to own a few mathematical adulthood and a capability to appreciate and delight in proofs. This publication can be utilized as a textbook for a major undergraduate path in calculus, whereas elements of the e-book can be utilized for complicated undergraduate and graduate classes in actual research. every one bankruptcy comprises a number of examples and a wide collection of routines, in addition to "Notes and Comments" describing salient good points of the exposition, similar advancements and references to appropriate literature.

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**Extra info for A Course in Calculus and Real Analysis (Undergraduate Texts in Mathematics)**

**Example text**

Geometrically, these notions are easily described. A function is convex if the line segment joining any two points on its graph lies on or above the graph. A function is concave if any such line segment lies on or below the graph. 7. To formulate a more precise definition, one should first note that convexity or concavity can be defined relative to an interval I contained in the domain of a function f , and also that given any x1 , x2 ∈ I with x1 < x2 , the equation of the line joining the corresponding points (x1 , f (x1 )) and (x2 , f (x2 )) on the graph of f is given by y − f (x1 ) = m(x − x1 ), where m= f (x2 ) − f (x1 ) .

But as the following example shows, the converse of this need not be true. 18. Consider the function f : [−1, 1] → R, which is obtained by piecing together infinitely many zigzags as follows. On [1/(n + 1), 1/n], we define f to be such that its graph is formed by the line segments P M and M Q, where P, Q are the points on the line y = x whose x-coordinates are 1/n + 1 and 1/n, respectively, while M is the point on the line y = 2x whose x-coordinate is the midpoint of the x-coordinates of P and Q.

X2 Sketch the graph of f and determine the points at which f has local extrema as well as the points of inflection of f , if any, in each case. 24. Given any f : D → R and c ∈ R, define functions gc , hc , kc , and ℓc from R to R as follows: gc (x) = f (x) + c, hc (x) = cf (x), kc (x) = f (x + c), ℓc (x) = f (cx). If f is given by f (x) = xn for all x ∈ R, then sketch the graph of gc , hc , kc , and ℓc when n = 1, 2 or 3 and c = 0, 1, 2, −1, −2, 12 or − 21 . 25. Consider D ⊆ R and f : D → R defined by the following.