MCQ
The value of $x^{p-q}.x^{q-r}⋅x^{r-p}$ is equal to:
- A$0$
- ✓$1$
- C$x$
- D$x^{pqr}$
✓
Answer
Correct option: B.
$1$
$x^{p-q}.x^{q-r}⋅x^{r-p}$
$= x^{p-q+q-r+r-p}$
$= x^0$
$= 1$
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