Basic Formula for Integration Engineering Maths, Btech first year

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Basic Formulas for Integration


Below are some basic formulas that you may want to revise: 1)xndx=xn+1n+1+C,n1 2)cosxdx=sinx+C 3)sinxdx=cosx+C 4)sec2xdx=tanx+C 5)cosec2xdx=cotx+C 6)secxtanxdx=secx+C 7)cosecxcotxdx=cosecx+C 8)dx1x2=sin1x+C 9)dx1x2=cos1x+C 10)dx1+x2=tan1x+C 11)(3x+5)10dx=(3x+5)11(11)(3)

Integration by parts

uvdxudx.vdx uvdx=uvdx[ddx(u)vdx]dx Priority for types of different types of functions is given by ILATE:
I Inverse Trigonometric function
L Logarithmic function
A Algebraic function
T Trigonometric function
E Exponential function

Example : xexdx In this problem, our first function will be x and second function will be ex =xexdx[ddx(x)exdx]dx =xexexdx =xexex+C



DC Motor, Basic Electrical Engineering, Btech first year

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