(6 + p + q)(6 – p – q) = …………. A) 36 – p2 – q2 – 2p

1.	(6 + p + q)(6 – p – q) = …………. A) 36 – p2 – q2 – 2pq B) 36 – 2p + q C) 36 – 2p -2q D) 36 – p2 – q2
Answer» A) 36 – p² – q² – 2pq Correct option is (A) 36 – p² – q² – 2pq (6 + p + q) (6 – p – q) = (6 + (p + q)) (6 – (p + q)) \(=6^2-(p+q)^2\) \(=36–(p^2+q^2+2pq)\) = \(36–p^2–q^2–2pq\)

(6 + p + q)(6 – p – q) = …………. A) 36 – p2 – q2 – 2pq B) 36 – 2p + q C) 36 – 2p -2q D) 36 – p2 – q2

Answer»

A) 36 – p² – q² – 2pq

Correct option is (A) 36 – p² – q² – 2pq

(6 + p + q) (6 – p – q) = (6 + (p + q)) (6 – (p + q))

\(=6^2-(p+q)^2\)

\(=36–(p^2+q^2+2pq)\)

= \(36–p^2–q^2–2pq\)