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Applied Mathematics 1 CBCGS 2016-2017 BE Civil Engineering Semester 1 (FE First Year) Question Paper Solution

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Applied Mathematics 1 [CBCGS]
Marks: 80 University of Mumbai
BE Civil Engineering
BE Computer Engineering
BE Mechanical Engineering
BE Biotechnology
BE Marine Engineering
BE Printing and Packaging Technology
BE Production Engineering
BE IT (Information Technology)
BE Electrical Engineering
BE Electronics and Telecommunication Engineering
BE Instrumentation Engineering
BE Electronics Engineering
BE Chemical Engineering
BE Construction Engineering
BE Biomedical Engineering
BE Automobile Engineering

Academic Year: 2016-2017
Date: June 2017
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[20]1
[3]1.1

Prove that ๐’•๐’‚๐’๐’‰−๐Ÿ(๐’”๐’Š๐’ ๐œฝ) = ๐’„๐’๐’”๐’‰−๐Ÿ(๐’”๐’†๐’„ ๐œฝ) 

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Chapter: [5] Complex Numbers
[3]1.2

Prove that the matrix `1/sqrt3`  `[[ 1,1+i1],[1-i,-1]]` is unitary. 

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Chapter: [5] Complex Numbers
[3]1.3

`"If"  x=uv & y=u/v "prove that"  jj^1=1`

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Chapter: [5] Complex Numbers
[3]1.4

If Z=tan^1 (x/y), where` x=2t, y=1-t^2, "prove that" d_z/d_t=2/(1+t^2).` 

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Chapter: [5] Complex Numbers
[4]1.5

Find the nth derivative of cos 5x.cos 3x.cos x. 

 

Concept: undefined - undefined
Chapter: [5] Complex Numbers
[4]1.6

Evaluate : `Lim_(x→0) (x)^(1/(1-x))`

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Chapter: [5] Complex Numbers
[20]2
[6]2.1

Find all values of `(1+i)^(1/3)` & show that their continued
Product is (1+i).

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Chapter: [5] Complex Numbers
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[6]2.2

Find non singular matrices P & Q such that PAQ is in normal form where A `[[2,-2,3],[3,-1,2],[1,2,-1]]`

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Chapter: [7] Matrices
[8]2.3

Find the maximum and minimum values of `f(x,y)=x^3+3xy^2-15x^2-15y^2+72x`

Concept: undefined - undefined
Chapter: [8] Partial Differentiation
[20]3
[6]3.1

If u=`f((y-x)/(xy),(z-x)/(xz)),"show that"  x^2 (del_u)/(del_x)+y^2 (del_u)/(del_y)+x^2 del_u/del_z=0`

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Chapter: [5] Complex Numbers
[6]3.2

Using encoding matrix `[[1,1],[0,1]]` ,encode & decode the message "MUMBAI" 

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Chapter: [7] Matrices
[8]3.3

Prove that log `[tan(pi/4+(ix)/2)]=i.tan^-1(sinhx)`

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Chapter: [6.02] Logarithm of Complex Numbers
[20]4
[6]4.1

Obtain tan 5๐œฝ in terms of tan ๐œฝ & show that `1-10tan^2  x/10+5tan^4  x/10=0`

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Chapter: [6.02] Logarithm of Complex Numbers
[6]4.2

If y=etan_1x. prove that `(1+x^2)yn+2[2(n+1)x-1]y_n+1+n(n+1)y_n=0`

Concept: undefined - undefined
Chapter: [6.02] Logarithm of Complex Numbers
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[8]4.3
[4]4.3.1

Express `(2x^3+3x^2-8x+7)` in terms of (x-2) using taylor'r series. 

 

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Chapter: [9] Applications of Partial Differentiation , Expansion of Functions
[4]4.3.2

Prove that `tan_1 x=x-x^3/3+x^5/5+.............`

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Chapter: [9] Applications of Partial Differentiation , Expansion of Functions
[20]5
[6]5.1

If `Z=x^2 tan-1y /x-y^2 tan -1 x/y del` 

Prove that `(del^z z)/(del_ydel_x)=(x^2-y^2)/(x^2+y^2)`

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Chapter: [6.02] Logarithm of Complex Numbers
[6]5.2

Investigate for what values of ๐ "๐’‚๐’๐’…" ๐€ the equations : `2x+3y+5z=9`

`7x+3y-2z=8`

`2x+3y+λz=μ`

Have (i) no solution (ii) unique solution (iii) Infinite value 

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Chapter: [7] Matrices
[8]5.3

Obtain the root of `x^3-x-1=0` by Newton Raphson Method` (upto three decimal places). 

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Chapter: [7] Matrices
[20]6
[6]6.1

Find tanhx if 5sinhx-coshx = 5 

 

 

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Chapter: [6.02] Logarithm of Complex Numbers
[6]6.2

If u= `sin^-1 ((x+y)/(sqrtx+sqrty)), " prove that ""`i.xu_x+yu_y=1/2 tanu`

ii. `x^2uxx+2xyu_xy+y^2u_(y y)=(-sinu.cos2u)/(4cos^3u)`

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Chapter: [7] Matrices
[8]6.3

Solve the following system of equation by Gauss Siedal Method,20x+y-2z=17
             3x+20y-z =-18
             2x-3y+20z=๐Ÿ๐Ÿ“

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Chapter: [10] Indeterminate Forms, Numerical Solutions of Transcendental Equations and System of Linear Equations

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University of Mumbai previous year question papers Semester 1 (FE First Year) Applied Mathematics 1 with solutions 2016 - 2017

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