Find the intervals in which the function given by `f(x)=3/(10)x^4=4/5x^3-3x^2+(36)/5x+11` is `(a)` strictly increasing `(b)` strictly decreasing.
Find the intervals in which the function given by `f(x)=3/(10)x^4=4/5x^3-3x^2+(36)/5x+11` is `(a)` strictly increasing `(b)` strictly decreasing.
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Correct Answer - (a) Strictly increasing in `[-2, 1] uu [3, oo]`
(b) Strictly decreasing in `[-oo, -2] uu [1, 3]`
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