1.

(4x + 51y + 1) (4x + 51y – 1) ……………. A) (4x – 5y)2 B) (4x – 5)2 C) (3x – y)2 D) None

Answer»

Correct option is  D) None

Correct option is (D) None

(4x + 51y + 1) (4x + 51y – 1) \(=(4x+51y)^2-1^2\)

\(=(4x+51y)^2-1\)



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