" (ii) "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)

Factorise the following expression: ( i) 4x^(2) +9y^(2) +25z^(2) +12xy +30yz + 20zx (ii) 25x^(2) +4y^(2) +9z^(2) -20 xy +12yz - 30zx

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

12x^2-20x+9

Express 4/9 as a rational number with numerator (i) 24 (ii) -20