[+20z^(3),([" (i) ",6p-12q],[" (iv) ",20,m+30],[-15xy^(2),," (vii) "],[-4ab-4ca," (wii) ",10a^(2)-15],[bxy^(2)+cxyz]]

Factorise the following expressions. (i) 7x - 42 (ii) 6p - 12q (iii) 7a^2 + 14a (iv) -16z + 20z^3 (v) 20l^2m + 30a l m (vi) 5x^2y - 15xy^2 (vii) 10a^2 - 15b^2 + 20c^2 (viii) -4a2 + 4ab - 4ca (ix) x^2yz + xy^2z + xyz^2 (x) ax^2y + bxy^2 + cxyz

Factorise the following expressions. (i) 7x - 42 (ii) 6p - 12q (iii) 7a^2 + 14a (iv) -16z + 20z^3 (v) 20l^2m + 30a l m (vi) 5x^2y - 15xy^2 (vii) 10a^2 - 15b^2 + 20c^2 (viii) -4a^2 + 4ab - 4ca (ix) x^2yz + xy^2z + xyz^2 (x) ax^2y + bxy^2 + cxyz

Find the common factors of the given terms. (i) 12x,36 (ii) 2y,22xy (iii) 14pq, 28p^2q^2 (iv) 2x,3x^2,4 (v) 6abc, 24ab^2, 12a^2b (vi) 16x^3,-4x^2,32x (vii) 10pq, 20qr, 30rp (viii) 3x^2 y^3, 10x^3y^2, 6x^2y^2z

Find the common factors of the given terms. (i) 12x,36 (ii) 2y,22xy (iii) 14pq, 28p^2q^2 (iv) 2x,3x^2,4 (v) 6abc, 24ab^2, 12a^2b (vi) 16x^3,-4x^2,32x (vii) 10pq, 20qr, 30rp (viii) 3x^2 y^3, 10x^3y^2, 6x^2y^2z

Divide: (i) 6x^(5) + 18 x^(4) - 3x^(2) by 3x^(2) (ii) 20 x^(3) y + 12 x^(2) y^(2) - 10 xy by 2xy

Factorise : (i) 10a^(4) x^(2) - 15a^(6) x^(4) + 20 a^(7) x^(5)

Factorise the expressions and divide them as directed. (i) (y^2+7y+10) -: (y+5) (ii) (m^2-14m-32) -: (m+2) (iii) (5p^2-25p+20) -: (p-1) (iv) (4yz(z^2+6z-16) -: 2y (z+8) (v) 5pq(p^2-q^2) -: 2p(p+q) (vi) 12xy (9x62-16y^2) -: 4xy (3x+4y) (vii) 39y^3(50y^2-98) -: 26y^2(5y+7)

Factorise the expressions and divide them as directed. (i) (y^2+7y+10) -: (y+5) (ii) (m^2-14m-32) -: (m+2) (iii) (5p^2-25p+20) -: (p-1) (iv) (4yz(z^2+6z-16) -: 2y (z+8) (v) 5pq(p^2-q^2) -: 2p(p+q) (vi) 12xy (9x62-16y^2) -: 4xy (3x+4y) (vii) 39y^3(50y^2-98) -: 26y^2(5y+7)

A= {5, 10, 15, 20}, B= {2,4,6,8, 10}. Out of the following, which is a function? (a) {(5, 2), (10, 4), (15,6), (20, 9)} (b) {(5, 2), (10, 4)} (c ) {(5, 2), (10, 4), (15,6), (20), 10)} (d) {(5, 1), (5, 10), (15, 6), (20,9)}