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S.chand books class 8 maths solution chapter 12 Fundamental concept and Operations exercise 12 D

EXERCISE 12 D


QUESTION 1

Divide

(i) 28a3b2c by 7ab

(ii) 48a4b5c6 by – 16a2c2

(iii) $-\dfrac{4}{5}a^2b^2c^4 \text{ by } -\dfrac{6}{15}abc^2$


QUESTION 2

Divide :

(i) 16pr2-8pr3-4p2r2 by -4pr2

(ii) 6x7-8x6+4x5-10x4+6x3 by -2x3

(iii) 7x4y2-14x3y3+35x2y4-56x7y5+21y6 by 7x2y2

(iv) $\dfrac{3}{5}abc-\dfrac{2}{5}a^2bc^2+\dfrac{1}{7}ab^2 \text{ by } \dfrac{1}{3}abc$


QUESTION 3

Divide :

(i) (x2+8x+15) by (x+3)

(ii) (2x2+7x+6) by (x+2)

(iii) (-2x2-3x+2) by (x+2)

(iv) (12x2+7xy-10y2) by (3x-2y)

(v) (6+x-4x2+x3) by (x-3)

(vi) (x3-125y3-15x2y+75xy2) by (x-5y)


QUESTION 4

Divide :

(i) x3-125 by (x-5)

(ii) 64a3+27b3 by (4a+3b)

(iii) (a4-16) by (a+2)

(iv)


 

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