pls ans this question in easy way
you have 12000 saved amount and want to invest it two schemes yielding 10%and 15% interest. how much amount should be invested in each scheme so that you should get overall 12% interest
find the equation of straight lines which pass through (6,7) and making an angle 45degree with line x+y+3=0
find the equation of straight lines which pass through (6,7) and making an angle 45degree with line x+y+3=0m