how determine base of given number like 302/20=12.1

Answer Posted / mahfuz asif

Consider, 302 = 3b² + 0b + 2
20 = 2b + 0
12.1 = 1b + 2 + 1/b

Now,
(3b² + 2) / 2b = b + 2 + 1/b
3b² + 2 = 2b² + 4b + 2 [ multiplying by 2b ]
b² = 4b
So, b = 4
Therefore, base is 4.

Is This Answer Correct ?    25 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is lumped and distributed elements?

1545


hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

1514


Testing report of Earthing of 3.15 MVa PTR.

2124


What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1241


what is meant by flywheel and its role in retardation test

1961






What are the function of different components of servo motor?

1553


When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

743


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1719


what clearance required for 4.5 mva dry type transformer?

1619


what kvrah y we need to take the readind of that

1560


what is capacitor voltage transformer?? how it is different from potential transformer?

1693


1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6713


Difference between RCCB, RCBO and ELMCB.

3569


Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1030


How to decide DO set rating of Transformer?

1157