Question

(2x+5y) (2x+5y)= (2x)2+( ___) X
2x+(5y)2
(5y-5y)
(2x+5y)
(2x-5y)
(5y+5y)​

Answer 1

Answer:

1. (x + 2y)2 = x2 + 4xy + 4y2 2. (2x – 5y)2 = 4x2 – 20xy + 25y2 3. (101)2 = (100 + 1)2 = 10000 + 200 + 12 = 10201 4. (98)2 = (100 – 2)2 = 10000 – 400 + 4 = 9604 5. (5m + 3n) (5m – 3n) = (5m)2 – (3n)2 = 25m2 – 9n2Read more on Sarthaks.com - https://www.sarthaks.com/853684/use-the-above-formulae-to-fill-proper-terms-in-the-following-boxes-2y-2-4y-2x-5y-20xy?show=853687#a853687