Calculus : Gradient of Tangent αူαိα်αα်း Thursday, November 29, 2018 ေαးαားαဲ့ curve (α‘α ိα္းေαာα္) α $ \displaystyle y=f(x)$ ျαα ္αါαα္။ ααα္းေαာα္ $ \displaystyle PQ$ …
