`12.63 - 10.2 = 2.34 ~~ 2.4 `

12.63 - 10.2 = 2.43 ~~ 2.4

Find S_n for the series. 1.2 + 2.3 + 3.4 +…

Find the sum of first n terms of the following series : 1.2^(2) + 2.3^(2) + 3.4^(2)+…

Determine the sum of following series upto n terms. 1.2^2+2.3^2+3.4^2+ …….

If A={1,2,3} and B={2,3,4} , find which of the following are the functions from A to B? (i) f={(1,2),(2,3),(3,4)} (ii) g={(1,2),(1,3),(2,3),(3,4)} (iii) h={(1,3),(2,4)}

If A={1,2,3} and B={2,3,4} , find which of the following are the functions from A to B? (i) f={(1,2),(2,3),(3,4)} (ii) g={(1,2),(1,3),(2,3),(3,4)} (iii) h={(1,3),(2,4)}

1.2^(2)+2.3^(2)+3.4^(2)+

If A = [(2,4, -1), (-1,0,2)], B = [(3,4),(-1,2),(2,1)] . Find (AB)'