1.

On the interval [(5pi)/(4),(4pi)/(3)]the least value of the function f(x)=int_(5x//4)^(x)(3sint+4cost)dt is

Answer»

`(3)/(2)+(1)/(SQRT(2))-2sqrt(3)`
`(3)/(2)-(1)/(sqrt(2))+2sqrt(3)`
`(3)/(2)-(1)/(sqrt(2))-2sqrt(3)`
`(3)/(2)-2sqrt(3)`

ANSWER :A


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