Let the numbers be (x – 1), x and (x + 1) => (x – 1)2+ x2+ (x + 1)2= 974 => x2– 2x + 1 + x2+ x2+ 2x + 1 = 974 => 3x2= 974- 2 => x2= 972/3 => x2= 324 => x = 18 Required sum = (18 – 1) + (18 + 1) = 36
8 12 21 36 62 98
256 768 96 288 35 108
186, 179, 170, 162, 146, 131, 114
21 32 54 86 131 186
...21, 23, 27, 35, 51, 87
54 54 108 39 144 28.8
42, 85, 172, 343, 687, 1375
2, 4, 16, 48, 240, 1440, 10080
1024 3072 384 1152 145 432
11 110 978 6824 34103 102290
