EXERCISE 7.1
1. Find the common factors of the given terms:
123, 36
1) 20x", 1&ry
(iv) 2p, 3p", 4p
16abc, 24ab. 12a
in Spar Opeper
2. Find the HCF of following monomials:
() I and my
m) 4x'yz and Gryz
Gv) 334 y, 44xxy and 56xyz
(v) 24xyz.36xy'. xyz and 48
3. Factorise the following polynomials by taking out HCF:
(1) 3xy + 4y
m 4m" +50mm
(v) ax'yz + bxyz + xyz'
(vi) -4°- 4ca + tab
(vii) 18a'b'-27 a'b' + 36a'b' (ix) 26xy-392
14°+22-2
4. Factorise the following polynomials by inspection method
12115
m) 15ab-2005
By-21
liv fina
(v) 36-2y) - 4yu-y)
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