find the square of each of the following: 1.) b-¼
2.) 2x+3
3.) m+5n
4.) r + s
step by step
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Answer:
Step-by-step explanation:
Answer
As we know that,
(a+b)
2
=a
2
+b
2
+2ab
So,
(2x+2y)
2
=(2x)
2
+(2y)
2
+2(2x)(2y)
=2
2
x
2
+2
2
y
2
+2×2×2×xy
=4x
2
+4y
2
+8xy
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