(3x-4y)^4 - x^4 Factorise It.
Answers
Answered by
0
Answer:
(3x-4y)^4-x^4
={3x-4y)^2}^2-(x^2)^2
={(3x-4y)^2+x^2}{(3x-4y)^2-x^2}
=(9x^2+16y^2-24xy+x^2)(9x^2+16y^2-24xy-x^2)
=(10x^2+16y^2-24xy)(8x^2+16y^2-24xy)
Answered by
1
Answer:
[tex](3x−4y)2−x4
⇒[(3x−4y)2]2−(x2)2
⇒[(3x−4y)2−x2][(3x−4y)2+x2]
⇒[(3x−4y)+x][3x−4y−x][(3x−4y)2+x2]
⇒(4x−4y)(2x−4y)[(3x−4y)2+x2]
⇒8(x−y)(x−2y)[9x2+16y2−24xy+x2]
⇒16(x−y)(x−2y)[5x2+8y2−12xy]
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Answered by
2
Answer:
[tex](3x−4y)2−x4
⇒[(3x−4y)2]2−(x2)2
⇒[(3x−4y)2−x2][(3x−4y)2+x2]
⇒[(3x−4y)+x][3x−4y−x][(3x−4y)2+x2]
⇒(4x−4y)(2x−4y)[(3x−4y)2+x2]
⇒8(x−y)(x−2y)[9x2+16y2−24xy+x2]
⇒16(x−y)(x−2y)[5x2+8y2−12xy]
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