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Showing posts with label 12th calculus. Show all posts
Showing posts with label 12th calculus. Show all posts

Monday, August 3, 2009

collection of problems in integration, differentiation, areas, volumes, trigonometry, matrices, limits

Calculus
problems on integration ------------------------ integration

problems on application of integration like
area, volume, arc length etc ------------------------integration application

problems on differential equations ------differential equation

problems on differentiation------------------------ differentiation

problems on limits ------------------limits

problems on matrices --------------matrices

problems on trigonometry ------trigonometry



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index of math problems


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Friday, April 17, 2009

volume using integral calculus

volume using integral calculus
Volume of the solid obtained by revolving the shaded region about the x-axis is

solved problems on finding volume of solid of revolution using integration

volume of the solid obtained by revolving the ellipse ( x² / a²) + ( y² / b²) = 1 about the x axis


volume of the solid obtained by revolving the cardioid r = a(1 + cosθ ) about the initial line

volume of the spindle shaped solid obtained by revolving the
hypocycloid x^(2/3) + y^(2/3) =a^(2/3) about the x axis.

Saturday, March 21, 2009

integral of (secx)^4

integral of (secx)^4

split into( sec²x )( sec²x )

change one of the factors into 1+ tan²x
split into two integrals
one is a direct formula integration formulae

for the other integral use substitution method
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Monday, March 9, 2009

integral of x^3 / sqrt(9 - x^2) using substitution

integral of x^3 / sqrt(9 - x^2) using substitution
use the substitution t^2 = 9 -x^2 and try to manipulate the numerator as x^2 * xdx

Integration formulae

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index of math problems


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Monday, February 23, 2009

Integration formulae





note that ln(x) refers to natural log, that is log to the base e
Integration formulae of functions like
x^n , e^(ax ) exp(ax), sin(ax), cos(ax), tan(x), 1 / sqrt(a^2 - x^2), 1 / (a^2 - x^2) ...

integration guide on certain topics

PAGE 1 BASIC INTEGRATION
 
PAGE 2 INTEGRATION BY SUBSTITUTION

 PAGE 3 INTEGRATION BY COMPLETION OF SQUARES
 
PAGE 4 INTEGRATION BY PARTS
 
PAGE 5 INTEGRATION BY MANIPULATION OF 
NUMERATOR IN TERMS OF DENOMINATOR

PAGE 6 INTEGRATION USING PARTIAL FRACTIONS
 
PAGE 7 INTEGRATION OF 1 / [ACOSX +BSINX +C]


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index of math problems


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Friday, February 13, 2009

problem on integration using trigonometry formulae

evaluate integral of sin(5x)sin(8x)
first use the trigonometric formulae for sinAsinB to split the integral into two terms
it is easy to use the bigger angle as A
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index of math problems


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Mathematical Induction and Binomial Theorem: Formulas and Solved Examples

  MATHEMATICAL INDUCTION AND THE BINOMIAL THEOREM: FORMULAS, PROOFS, EXPANSIONS AND SOLVED EXAMPLES The Target-First Domino Method and the P...