" vii) "4a^(2)-20a+9

Factorise : (viii) 5x^(2) - (20x^4)/( 9)

Factorise the following : (i) 4x^(2)+20x+25 " " (ii) 9y^(2)-66yz+121z^(2) " " (iii) (2x+(1)/(3))^(2)-(x-(1)/(2))^(2)

Factorise the following : (i) 4x^(2)+20x+25 " " (ii) 9y^(2)-66yz+121z^(2) " " (iii) (2x+(1)/(3))^(2)-(x-(1)/(2))^(2)

Factorise the following : (i) 4x^(2)+20x+25 " " (ii) 9y^(2)-66yz+121z^(2) " " (iii) (2x+(1)/(3))^(2)-(x-(1)/(2))^(2)

12x^2-20x+9

Fractorise: 4a^(2) -9

Find the equations of the tangest and normal at (-(4)/(3),1)"to" 9x^(2)+4y^(2)=20

Find the equations of the tangest and normal at (-(4)/(3),1)"to" 9x^(2)+4y^(2)=20

Let us simplify using formula:- (4a^2 -9) (4a^2 - 6a + 9) (4a^2 + 6a + 9)