Question

Name
Class
Roll No.
Time
40 Min
Marks
Il obtain
25
1. Factorise the following expressions by the
method of completing the square:
(i) x² + 4x - 21 (11) 1-16x2 + 64r4 (2)
3. Factorise the following using HCE:
pq + p q + pa
(in) - 10wb - 30ab - 2009
ir +2+x+1
OR
Divide the following
ir? - 6r+ 9) by lr - 3)
7 -16) by (x + 4)
2. Factorise 18a+b'c - 12abc + 24abc and divide
it by 6abc.​

Answer 1

Answer:

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