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A: Given, a ⇀=i+2j-kb⇀ =2i-j+4k

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A: The given equation is x2+(y-4)2=4This is in the form of (x-h)2+(y-k)2=r2 which is a circle equation…

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Q: Q2/ Check the symmetry of r² = -sin(20) %3D Ans./ Symmetry about the origin

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Q: Q.3) 3+4x+20 dx = a) Q.4) f sin5x sin4x dx = tan-(+) 4 a) = (cosx - cos9x 9 cos9x c) (cosx +°%$*) +…

A: ∫1x2+4x+20dx∫sin5xsin4xdx

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A: We have to solve the following equations.

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A: Given: The integral is ∫3x+25-x2dx

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A: Given The given function is 'Dirac delta function'.

Q: 3T/4 18) 3 sec 0 tan 0 de

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A: If y = A*Sin(B(x+C))+D is the sinusoidal function, then Amplitude = A Period = 2π/B Phase Shift = C…