Practice problem
Find the product of ya\frac{y}{a}ay and yb\frac{y}{b}by.
yab\frac{y}{ab}aby
2ya+b\frac{2y}{a+b}a+b2y
y2a+b\frac{y^2}{a+b}a+by2
y2ab\frac{y^2}{ab}aby2
Type a concept, like “slope” or “photosynthesis”.
