Question Number 158735 by Ashraful Islam last updated on 08/Nov/21
Commented by Ashraful Islam last updated on 08/Nov/21
hello , how is it infinity ? anyone can explain please .
Commented by mnjuly1970 last updated on 08/Nov/21
$$\:\:\: \\ $$$$\:\:\:{lim}_{\:{h}\rightarrow\mathrm{0}^{\:−} } \:\frac{\:−\mathrm{2}{h}\:+\mathrm{6}}{{h}}={lim}_{\:{x}\rightarrow\mathrm{0}^{−} } \frac{−\mathrm{2}{h}}{{h}}+{lim}_{\:{h}\rightarrow\mathrm{0}^{−} } \frac{\mathrm{6}}{{h}} \\ $$$$\:\:\:=\:−\mathrm{2}\:+\frac{\:\mathrm{6}}{\mathrm{0}^{−} }\:=\:−\mathrm{2}+\left(−\infty\right)=−\infty \\ $$