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Engineering Mathematics

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1] Closure Axiom. 2] Associative prop. 3] Identity element property. 4] Inverse element property.
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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 Find the Fourier series of f(x)=x in the interval (0,2π). 
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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Test whether the following function is one to one, onto or both.
engineering mathematics updated 3.0 years ago by teamques10 ★ 69k
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Evaluate the integral
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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Find the M.G.F. of Poisson Distribution.
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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A random sample of size 16 from a normal population showed a mean of 103.75 cm and sum of squares of the deviations from the mean 843.75 cm^{2}. Can we say that the population has a mean of 108.75?
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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Evaluate the integral
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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show that(AB)−1=C−1 A−1
engineering mathematics updated 3.0 years ago by pj8365784 • 10
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If the coefficient of variation of certain data is 5 and mean is 60.Find the standard deviation.
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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The two sets of observations are given below:
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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Reduce the matrix of the quadratic form 6x21+3x22+14x23+4x1x2+18x1x3+4x2x3 to canonical form by congruent transformation and find rank, signature, value class.
engineering mathematics updated 3.0 years ago by saishvilankar793 • 30
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Explain Bernoulli's principle equation for adiabatic process.
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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Evaluate ∫cZ+6z2−4dz ,
engineering mathematics updated 3.0 years ago by Krishna_Agrawal • 2.7k
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Oblain Fourier series for the function f(x)=πx,0≤x≤1 =π(2−x),1≤x≤2.
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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u=x3+3x2y+3xy2+y3, prove that x∂u∂x+y∂u∂y=3u. 
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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Find (i) k (ii) mean (iii) variance for the p.d.f
engineering mathematics updated 3.0 years ago by RakeshBhuse • 3.2k
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Show that, (1+i)n+(1−i)n=2n+22cosnπ4. 
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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sinx+siny=a and cosx+cosy=b. Prove that tan2(x−y2)=4−a2−b2a2+b2. 
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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Find a Fourier series to represent x−x2 from x=−π to x=π. Hence show that, 112−122+132−142+……=π212.
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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500 articles from a factory are examined and found to be 2% defective. 800 similar articles from a second factory are found to have only 1.5% defective. Can it reasonably be concluded that the
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
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Separatic into real and imaginary parts of sin-1 (eio).
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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Solve the following equations by matrix inversion method : x + y + z = 6, 3x - y + 3z = 10 , 5x + 5y -4z = 3
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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Evaluate the following : log381
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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Resolve into partial fractions x4x3+1
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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prove that (tan−1(1)+tan−1(2)+tan−1(3)=π
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
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