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Find intervals in which the function giv...

Find intervals in which the function given by `f(x)=(3)/(10)x^(4)-(4)/(5)x^(3)-3x^(2)+(36)/(5)x+11` is (a) Increasing (b) Decreasing.

Text Solution

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The correct Answer is:
Strickly increases `(-2,1), (3,oo)`,
Strickly decreases `(-oo, -2), (1,3)`
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