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9. Find the local extrema and increasing and decreasing intervals for the function whose deriva- tive is given below. (Note:
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Son Gives f(a)= x² (7-50) ſa-a2 Now, f(x)=0 ; f(x)=0 * (7-5x)=0 9-x²=0 x20, xz7/5 3 x = +3 ttt 7/s 3 si-n= (-1) (7-56-1) 1

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