Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
The common factor of $6a^3b^4c^2, 21a^2b$ and $15a^3$ is:
✓
$3a^2$
B
$3a^3$
C
$6a^3$
D
$6a^2$
✓
Answer
Correct option: A.
$3a^2$
A. $3a^2$ Solution:
$6 a^3 b^4 c^2=2 \times 3 \times a \times a \times a \times b \times b \times b \times b \times c \times c $
$ 21 a^2 b=3 \times 7 \times a \times a \times a $
$ 15 a^3 64 c 4=3 \times 5 \times a \times a \times a$
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