f(x)=lxl+lx-1l is it right to convert it to f(x)=l2x-1l is that right or wroung i know it is a stupid question but i really need an answer to it
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Originally Posted by mohamedsafy f(x)=lxl+lx-1l is it right to convert it to f(x)=l2x-1l is that right or wroung i know it is a stupid question but i really need an answer to it No. They are different on the interval . If you substitute say in each, the answers will be different
Originally Posted by danny arrigo No. They are different on the interval . If you substitute say in each, the answers will be different are you sure cause if i subtitute in the first one with 1/2 the answer will be 0 and if i subtitute in the second one with 1/2 the answerwill be 0
Originally Posted by mohamedsafy f(x)=lxl+lx-1l is it right to convert it to f(x)=l2x-1l is that right or wroung i know it is a stupid question but i really need an answer to it Use the definition of the absoluet value. You'll get three intervals with different terms:
Originally Posted by mohamedsafy are you sure cause if i subtitute in the first one with 1/2 the answer will be 0 and if i subtitute in the second one with 1/2 the answerwill be 0
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