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Help would be very much appreciated
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Help would be very much appreciated

Help would be very much appreciated-example-1
User Ankur Singhal
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1 Answer

8 votes


(f(2+h)-f(2))/(h)=((2+h)^2+2(2+h)-1-(2^2+2\cdot2-1))/(h)=\\\\=(4+4h+h^2+4+2h-1-(4+4-1))/(h)=(h^2+6h+7-7)/(h)=(h^2+6h)/(h)=h+6

User Denis Slonovschi
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