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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Types of algebraic expressions. Polynomials
4.
The difference of squares formula
Exercise condition:
3
m.
Expanding
0.25
−
y
2
using the square of the difference formula, we get two factors.
If one factor is equal to
0.5
−
y
, then what is the second factor equal to?
Choose the correct answer:
y
−
0.5
0.5
−
y
y
+
0.5
none of the expressions
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