Ch 14 Factorisation || Exercise 14.1 || Class 8 Maths || RBSE CBSE NCERT

EXERCISE 14.1
1. Find the common factors of the given terms.
(i) 12x, 36 (ii) 2y, 22xy (iii) 14 pq, 28p2q2
(iv) 2x, 3x2, 4 (v) 6 abc, 24ab2, 12 a2b
(vi) 16 x3, – 4x2, 32x (vii) 10 pq, 20qr, 30rp
(viii) 3x2y3, 10x3y2,6 x2y2z
2. Factorise the following expressions.
(i) 7x – 42 (ii) 6p – 12q (iii) 7a2 + 14a
(iv) – 16 z + 20 z3
(v) 20 l2 m + 30 a l m
(vi) 5 x2 y – 15 xy2
(vii) 10 a2 – 15 b2 + 20 c2
(viii) – 4 a2 + 4 ab – 4 ca (ix) x2 y z + x y2z + x y z2
(x) a x2y + b x y2+ c x y z
3. Factorise.
(i) x2 + x y + 8x + 8y (ii) 15 xy – 6x + 5y – 2 (iii) ax + bx – ay – by (iv) 15 pq + 15 + 9q + 25p
(v) z – 7 + 7 x y – x y z
एक्सक्लूसिव 14.1
1. दिए गए शब्दों के सामान्य कारकों का पता लगाएं।
(i) 12x, 36 (ii) 2y, 22xy (iii) 14 pq, 28p2q2
(iv) 2x, 3x2, 4 (v) 6 abc, 24ab2, 12 a2b
(vi) 16 x3, - 4x2, 32x (vii) 10 pq, 20qr, 30rp
(viii) 3x2y3, 10x3y2,6 x2y2z
2. निम्नलिखित भावों को स्पष्ट कीजिए।
(i) 7x - 42 (ii) 6p - 12q (iii) 7a2 + 14a
(iv) - 16 z + 20 z3
(v) 20 l2 m + 30 a l m
(vi) 5 x2 y - 15 xy2
(vii) 10 a2 - 15 b2 + 20 c2
(viii) - 4 a2 + 4 ab - 4 सीए (ix) x2 y z + x y2z + x y2
(x) a x2y + b x y2 + c x y z
3. कारक।
(i) x2 + x y + 8x + 8y (ii) 15 xy - 6x + 5y - 2 (iii) कुल्हाड़ी + bx - ay - बाय (iv) 15 pq + 15 + 9q + 25p
(v) z - 7 + 7 x y - x y z

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