[" Af "f(x)=1+2sin x+3cos^(2)x,0<=x<=(2 ...

[" Af "f(x)=1+2sin x+3cos^(2)x,0<=x<=(2 pi)/(3)" is "],[[" (a) Minimum at "x=pi/2," (b) Maximum at "x=sin^(-1)(1/sqrt(3))],[" (c) Minimum at "x=pi/6," (d) Maximum at "sin^(-1)(1/6)]]

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