Correct Answer: Option C

Explanation

4a2 - 9b2, 8a3 + 27b3, (4a + 6b)2 = (2a + 3b)(2a - 3b)

8a3 + 27b3 = (2a)3 + (3b)3

= (2a + 3b)(4a - 6ab = 9a2)

(4a + 6b)2 = 2(2a + 3b)2

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