" (i) "x^(2)-2x-8quad " (ii) "4s^(2)

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

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

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^(2)+5x-14 (iii) x^2-3x-4" (iv)"3x^2-10x+8

Lt_(x to 0)(cos^(2)x-sin^(2)x-1)/(sqrt(x^(2)+4)-2) is equal to (i) 4 (ii) -4 (iii) 8 (iv) -8

Evaluate: (i) int(cos2x+2s epsilon^(2)x)/(cos^(2)x)dx (ii) int(2cos^(2)x-cos2x)/(s in^(2)x)dx

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

What is the LCM of x^(2)+2x-8, x^(3)-4x^(2)+4x and x^(2)+4x ?