Shark
JF-Expert Member
- Jan 25, 2010
- 29,455
- 29,134
mboni inaonekana kama copy and paste hiyo mzee hasa kuanzia hapo kwenye bluu
Kivipi mkuu??
Copy from where?
Au kwakua nimeweka ufafanuzi kwenye kila stage?
mboni inaonekana kama copy and paste hiyo mzee hasa kuanzia hapo kwenye bluu
I am back now!!
2Logx = x/25
Divide by x both sides
(2/X)logx = 1/25
logx [SUP](2/x)[/SUP] = 1/25
Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)
[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]
we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)
[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x
[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x
[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]
x = 100
O-Level, Azania '96 - '99
I am back now!!
2Logx = x/25
Divide by x both sides
(2/X)logx = 1/25
logx [SUP](2/x)[/SUP] = 1/25
Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)
[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]
we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)
[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x
[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x
[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]
x = 100
O-Level, Azania '96 - '99
I am back now!!
2Logx = x/25
Divide by x both sides
(2/X)logx = 1/25
logx [SUP](2/x)[/SUP] = 1/25
Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)
[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]
we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)
[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x
[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x
[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]
x = 100
O-Level, Azania '96 - '99
mboni inaonekana kama copy and paste hiyo mzee hasa kuanzia hapo kwenye bluu
2 log x= x/25
50 log x = x
baada ya hapo ni kupachika namba kulia kushoto na balance inapatikana @ x= 100
50 log 100 = 100
50*2 = 100
100 = 100
since i know X = 100 then solution to suit my answer will be forged as well