Find the sum :
29+13+415
Step 1: Find the least common multiple ( L.C.M) of denominators of the given fraction:
Given fractions: 29,13and415
L.C.M of 9,3,15 =45
Step 2: Make the equivalent fraction with denominator 45 and add them:
⇒2×5+1×15+4×345
⇒10+15+1245 =3745
Therefore, the sum of 29+13+415 is 3745
Re-arrange suitably and find the sum in each of the following :
(i)1112+−173+112+−252
(ii)−67+−56+−49+−157
(iii)35+73+95+−1315+−73
(iv) 413+−58+−813+913
(v)23+−45+13+25
(vi) 18+512+27+712+97+−516
Without adding find the sum
(i) 1 + 3 + 5 + 7 + 9
(ii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19
(iii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
The sum of the series 31!+52!+93!+154!+235!+...∞ is (a∗e)−b.Find a×b