Question

For A = { 1 2 3 4}, find the relation in A for R = {(x,y) | x+y <5}, also write the range of R.

• What happens to 'sin t' in the 2nd denominator?..

1 + 3 + 5 + ... + (2n + 1) = (n + 1)2 ;

The perimetres of two similar triangles are 30cm and 20 cm respectively. If one side of the triangle is 12 cm. Determine the corresponding side of the second triangle

1. Reduce the fraction in its simplest form 

EE