" (iii) "4s^(2)+8s

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

Let a,b,c be the distinct roots of x^(3)-9x^(2)+11x-1=0, and let s=sqrt(a)+sqrt(b)+sqrt(c). Find s^(4)-18s^(2)-8s

The time period of a simple pendulum is 2s. If its length is increased by 4 times, then its period becomes (a) 16s (b) 12s (c) 8s (d) 4s

Q .Which of the following electron configurations is correct for nickel (atomic number "28" )? a) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(1)3d^(9) (b) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(8) (c) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(0)3d^(10)

What is the electronic configuration of Ca ? 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 (Ar)4s^2 (Ne) 3s^2 3p^6 4s^2 1s^2 2s^2 2p^6 3s^2 5s^2 3p^6

Area of the triangle formed by the line x+y=3 and the angle bisectors of the pairs of straight lines x^2-y^2+2y=1 is 2s qdotu n i t s (b) 4s qdotu n i t s 6s qdotu n i t s (d) 8s qdotu n i t s

The velocity (v) - time (t) graph for a particle moving along x -axis is shown in the figure.The average velocity in the time interval t=0 to t=8s is 1) 4.5m/s 2) 2.5m/s 3) 5m/s 4) 2m/s

The velocity (v) - time (t) graph for a particle moving along x -axis is shown in the figure.The average velocity in the time interval t=0 to t=8s is 1) 4.5m/s 2) 2.5m/s 3) 5m/s 4) 2m/s