One of the factors of (36x2 – 1) + (1 + 6x)2 is
We have,
(36x2 – 1) + (1 + 6x)2
= [(6x)2 – (1)2] + (1 + 6x)2
= (6x – 1) (6x + 1) + (6x + 1) (6x + 1)
= (6x + 1) (6x – 1 + 1 + 6x)
= (6x + 1) (12x)
∴ (6x + 1) is a factor of (36x2 – 1) + (6x + 1)2
Hence, option B is correct