Write down the definition of the first derivative, hence differentiate the following function with respect to . f(x)=xsinx
Using the direct method of integration, determine the value of ∫_1^3 〖2x〗^2-3x+1 dx
By use of the Left-Hand Riemann Sum approach of
∑_(i=1)^n f(x_i^*) ∆x
Where〖 x〗_i^*=a+ (∆x)i and ∆x=(b-a)/n with a and b being the lower and upper limits of the integrand respectively.
Deduce the value of the integrand given.
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