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? 

What is polynomial equation

diameter of base of cone is 10.5cm and its slant height is 10 cm find its curved surface area

Class 10      Maths NCERT     ex 10.2

In Q7:- How can you take PQ as a straight line?

If A, B, C are angles of triangle. Prove that tan (A - B)/2 = cot (B + C/2)

If x bar is the mean of n observation x1,x2,......,xn them the mean of observation x1 -a, x2 -a,.....(xn -a) is x bar -a(or show if observation is decreased by a, then the mean is also decreased by a 

The length of cold storage is double to its breadth 3m the area of four walls is 108m square find volume

1 + 4 + 7 + 10 + ... x = 287. Find x

. PLZ SOLVE NO. 6

Which term of the A.P.8,14,20,26,.....Will be 72 more than its 41st term?