The necessary and sufficient condition for S.H.M. is

Which of the following is a necessary and sufficient condition for S.H.M.

Which of the following is a necessary and sufficient condition for S.H.M.

Which of the following is a necessary and sufficient condition for S.H.M.

The necessary and sufficient condition for a matrix A to be skew symmetric is that A=-A .

Let M={(x,y)|y>=x^(2)} and N={(x,y)|x^(2)+(y-a)^(2)<=1} The necessary and sufficient condition for M nn N=N

The necessary and sufficient condition for a molecule to exhibit optical activity is _________.

The necessary and sufficient condition for a compound to be optically active is that

The necessary and sufficient condition for simple harmonic motion is

The necessary and sufficient condition for the equation (1-a^2)x^2+2ax-1 =0 to have roots lying in the interval (0,1) is