Question

Factorize the following:-

(i) 7√2^
2 − 10 − 4√2 .
(ii)
^2 + 3 √3 + 6

(iii) (
^2 − 2)
^2 − 2(^2
− 2−3 (iv) 27
^3 + 8
^3 + 54
^2 + 36^2


(v) ( − 3)
^3 + (3 − 7)
^3 + (7 -)
^3

(vi) (a^9
− b
^9
)​

Answer 1

Answer:

7

2

x

2

−10x−4

2

7

2

×4

2

=56=14×64

(14−4)=10

so, we split 10 as (14-4)

⇒7

2

x

2

−(14−4)x−4

2

⇒7

2

x

2

−14x+4x−4

2

⇒7

2

x[x−

2

]+4[x−

2

]

⇒

[7

2

x+4][x−

2

]