Question

what is vinculum of 58 give direct answer​

Answer 1

Step-by-step explanation:

49 × 58:

Partial Sum 49 times 58 = 2842

_

5 1_

6 2

_____

2842

_____

The mental steps are: 30

30,-16 = 316 = 284

284,2 = 2842

• Vinculum (Bar Number) –> Normal Number � (Check the video)
• Find 1st Bar digit, take its 10's complement.
• (a). If next digit is again a Bar digit, take its 9's complement continue (a) until a non-bar digit is obtained. (b). Decrement non-bar digit by 1.
• Continue (1) and (2) till complete number is covered.