1. * S(2 cot?0 – 3 tan²e) de A 2 cot O – 3 tan O + 3 O + C C - 2 cot O – 3 tan O + 3 O + C B 2 cot e- 3 tan 0+0+C D - 2 cot e - 3 tan O + O + C A В C D E None of the Above

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A: Explained below 

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A: F=1x+x2y, -y3, C: r=t2, tn(x,y) from (0,0) to (1,1): 0≤t≤1r'(t)=2t, ntn-1F(t)=1t+t4tn, -t3n ∫C F(r)·...

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A: Given: when y=2, we have 2=3x-x3⇒x=1. Now, dydx=3-3x2. So,            S=2π∫01 1+3-3x22dx  =2π∫01 10...

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A: As per the guidelines, we need to author the 1st question.  We know that product rule is given by  d...

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A: We will find the surface area of all the five solid figure as following.

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A: To veryfy that the function y=14-x2 is an explict solution of the differential equation, y'=2xy2.  

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A: Concept: As we know that unit vector is in the direction of main vector with unity Magnitude.

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A: From the second step we see that

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