CBSE Class 8 Answered
Use Vedic maths to find the products:
1. 107×93
2. 15²
Asked by HARSHICA7312 | 20 May, 2021, 12:04: PM
Expert Answer
1.
107 × 93
= (100 + 7)(100 - 7)
= 1002 - 72 ......(a - b)(a + b) = a2 - b2
= 10000 - 49
= 9951
2. 15²
52 = 25 .... (Square of the unit digit)
1 × (1 + 1) = 1 × 2 = 2
15²= 225
Answered by Yasmeen Khan | 20 May, 2021, 13:32: PM
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