Question

ор
= p + q* + 2pq + 69 + 6p +
Ex. (2) Fill in the boxes with approprite terms in the steps of expansio
(2p + 3m + 4n)
=
(2p)2 + (3m)2 + 0 +2 x 2p x 3m + 2 x
+ 9m2 +
+ 12pm +
+
x 4n + 2 x
=
+
Ex. (3) Simplify (1 + 2m + n)2 + (1 - 2m + n)?
= P +4m² + n° + 4lm + 4mn + 2ln + P + 4m + n - Alm
= 212 + 8 m2 + 2n? + 4ln
27​

Answer 1

Explanation:

elected Aug 5, 2020 by Aryan01 (2p + 3m + 4n)2 = (2p)2 + (3m)2 + (4n)2 + 2 x 2p x 3m + 2 x 3m x 4n + 2 x 2p x 4n = 4p2 + 9m2 + 16n2 + 12pm + 24mn + 16pnRead more on Sarthaks.com - https://www.sarthaks.com/854178/fill-in-the-boxes-with-appropriate-terms-in-the-steps-of-expansion-2p-3m-4n-2-2p-2-3m-2p-3m