MCQ
If $\mathrm{u}=\frac{x-a}{c}$ and $\mathrm{v}=\frac{y-b}{d}$ then $\mathrm{b}_{\mathrm{yx}}=$_________
- ✓$\frac{d}{c} b_{v u}$
- B$\frac{c}{d} b_{v u}$
- C$\frac{a}{b} b_{v u}$
- D$\frac{b}{a} b_{v u}$
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