How do you factor #1 - 4y^2#?
2 Answers
Mar 3, 2018
Explanation:
#"this is a "color(blue)"difference of squares"#
#•color(white)(x)a^2-b^2=(a-b)(a+b)#
#"here "a=1" and "b=2y#
#rArr1-4y^2=(1-2y)(1+2y)#
Mar 3, 2018
Explanation:
We have an identity for
So ,