(ii) (-2x²y2) (-4) (xy) (2x3)
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
ANSWER
We have,
x
4
+2x
3
y−2xy
3
−y
4
=x
4
−y
4
+2x
3
y−2xy
3
=(x
2
)
2
−(y
2
)
2
+2xy(x
2
−y
2
)
=(x
2
−y
2
)(x
2
+y
2
)+2xy(x
2
−y
2
)
=(x
2
−y
2
)(x
2
+y
2
+2xy)
=(x
2
−y
2
)(x+y)
2
=(x+y)(x−y)(x+y)
2
=(x+y)
3
(x−y)