(x2 + y2)(-x2 + y2)...find product using suitable property
Answers
Answered by
0
As As we know that
(a+b)(a−b)=a
2
−b
2
(x−
x
1
)(x+
x
1
)(x
2
+
x
2
1
)(x
4
+
x
4
1
)=(x
2
−
x
2
1
)(x
2
+
x
2
1
)(x
4
+
x
4
1
)
=((x
2
)
2
−(
x
2
1
)
2
)(x
4
+
x
4
1
)=(x
4
−
x
4
1
)(x
4
+
x
4
1
)=(x
4
)
2
−(
x
4
1
)
2
=x
8
−
x
8
1
Answered by
1
Answer:
y⁴-x⁴
Step-by-step explanation:
(x²+y²)(-x²+y²)
= (y²+x²)(y²-x²)
using identity a²-b²= (a+b)(a-b)
=(y²+x²)(y²-x²)
=(y²)²-( x²)²
=y⁴-x⁴
hope it's helpful
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