factorise the following using appropriate identities (iii) X^2-Y^2/100
Answers
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2
Step-by-step explanation:
x
2
−
100
y
2
=x
2
−
10
2
y
2
=x
2
−(
10
y
)
2
Now a
2
−b
2
=(a−b)(a+b)
x
2
−(
10
y
)
2
=(x−
10
y
)(x+
10
y
).
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