[" Fratl an "(9)/(914)" allory: "],[[" (i) "x^(2)-2x-8," (ii) "4s^(2)-4s+1," (iii) "]]

solve the equations (i) x^2-2x-8 (ii) 4s^2-4s+1

(i) x^(4) (ii) x^(-3) (iii) 3x^(2)

(i) 4cos^(2)x=1 (ii) 4sin^(2)x-3=0 (iii) tan^(2)x=1

Factorize: x^(2)+8x+15 (ii) x^(4)+x^(2)+1 (iii) x^(4)+4

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. - (i) x^2-2x-8 (ii) 4s^2-4s+1 (iii) 6x^2-3-7x (iv) 4u^2+8u (v) t^2-15 (vi) 3x^2-x-4

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. - (i) x^2-2x-8 (ii) 4s^2-4s+1 (iii) 6x^2-3-7x (iv) 4u^2+8u (v)t^2-15 (vi) 3x^2-x-4

Find the value(s) of k for which the given quadratic equations has real and distinct roots : (i) 2x^(2)+kx+4=0 (ii) 4x^(2)-3kx+1=0 (iii) kx^(2)+6x+1=0 (iv) x^(2)-kx+9=0

Find the value(s) of k for which the given quadratic equations has real and distinct roots : (i) 2x^(2)+kx+4=0 (ii) 4x^(2)-3kx+1=0 (iii) kx^(2)+6x+1=0 (iv) x^(2)-kx+9=0

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)