CBSE Class 8 Answered
Find the square of the following numbers:
1) 85
2) 14315
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
1) 85
The number is of the form a5, where a = 8
Thus, a(a + 1) = 8 x 9 = 72
Hence, (85)2 = 7225
2) 14315
Here, n = 1431
Thus, n x (n + 1) = 1431 x 1432 = 2049192
Hence, (14315)2 = 204919225
Answered by | 04 Jun, 2014, 03:23: PM
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