9a3b2c2, 12a2bc ও 15ab3c3 এর গ.সা.গু কত?
Solution
Correct Answer: Option D
• 9a3b2c2
= (3 . 3) . (a . a . a) . (b . b) . (c . c)
= 3abc . 3a2bc
• 12a2bc
= (3 . 2 . 2) . (a . a) . b . c
= 3abc . 4a
• 15ab3c3
= (3 . 5) . a . (b . b . b) . (c . c . c)
= 3abc . 5b2c2
সুতরাং, নির্ণেয় গ.সা.গু. = 3abc
= (3 . 3) . (a . a . a) . (b . b) . (c . c)
= 3abc . 3a2bc
• 12a2bc
= (3 . 2 . 2) . (a . a) . b . c
= 3abc . 4a
• 15ab3c3
= (3 . 5) . a . (b . b . b) . (c . c . c)
= 3abc . 5b2c2
সুতরাং, নির্ণেয় গ.সা.গু. = 3abc
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