MCQ
The common factor of $3ab$ and $2cd$ is:
- ✓$1$
- B$-1$
- C$a$
- D$c$
✓
Answer
Correct option: A.
$1$
We have, monomials $3ab$ and $2cd$ Now, $3ab = 3 \times a \times b$ and $2cd = 2 \times c \times d$ Observing the monomials, we see that, there is no common factor (neither numerical nor literal) between them except $1.$
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