1.

Q.18 Factorise x² - (x - z)^4​

Answer»

ANSWER:

x

4

−(x−Z)

4

=(x

2

)

2

−{(x−z)

2

}

2

=(x

2

+(x−z)

2

)(x

2

−(x−z)

2

)

2

=(x

2

+x

2

−2xz+z

2

)(x+x−z)(x−x+z)

=(2X

2

−2xz+z

2

)(2x−z)(z)


Discussion

No Comment Found

Related InterviewSolutions