7) x4 -- 7x2 + 1, x3 + 3x2 + x 7r4 - 11x2 + 1
2 dind the H.c.f
Answers
Answered by
0
Answer:
x
2
(x+4)
x
4
+6x
3
+8x
2
=x
2
(x
2
+6x+8)
=x
2
(x
2
+4x+2x+8)=x
2
(x+4)(x+2)
7x
5
−7x
4
−140x
3
=7x
3
(x
2
−x−20)
7x
3
(x
2
−5x+4x−20)=7x
3
(x−5)(x+4)
∴ H.C.F. =x
2
(x+4)
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