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Ashish hiralkar

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· 1 Months ago

OTHER THAN 72 PLZ EXPLAIN (Question: 185367.0 )

EXPLAIN ????????????????

Question:
The LCM of 8b(a2 – b2), 6ab3 (a3 – b3) and 18a2(a + b)2 is:
Options:
A) 144a2 b2(a + b)2(a – b)(a2 + ab + b)
B) 72a2 b3(a + b)2(a + b)(a2 + ab + b)
C) 72a2b3(a + b)2(a – b)(a2 + ab + b2)
D) 144a2b3(a – b)2(a + b)(a2 + ab + b)
Solution:

Ans: (c)

LCM of 8b (a2 – b2), 6ab3 (a3 – b3) and 18a2(a + b)2

= 72a2b3 (a – b)(a + b)2(a2 + b2 + ab)

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