what are the key points to be kept in mind regarding clubbing of income?

X² + (√3+ 1) x + √3 find the zeroes n explain the relationship with cofficients 

X²  + (√3 + 1 ) x + √3

Can you prove that (-) x (-)= + if yes then prove it?

I+j-k; -i-j-2k: -3i+3j. are perpendicular. Show that

show that the line joining (9,3),and (15,-3) cuts off equal intercepts on the axes

In a musical chair game, the person playing the music has been adviced to stop playing the music at any time within 2 minute after she start playing. What is the probability that the music will stop within the first half minute after starting?