A
8
B
2
C
15
D
10
উত্তরের বিবরণ
প্রশ্ন:
সমাধান:
2log23 + log25
= 2log2(3 × 5)
= 2log215
= 15
[ সূত্রঃ alogab = b ]
0
Updated: 1 month ago
log3√2(1/324) এর
মান কত?
Created: 2 months ago
A
- 1
B
2
C
3
D
- 4
সমাধান:
দেওয়া আছে,
log3√2(1/324)
= log3√2{1/(3√2)4}
= log3√2(3√2)- 4
= - 4 log3√2(3√2)
= - 4 ;[logaa = 1]
0
Updated: 2 months ago
Created: 3 weeks ago
A
0.25
B
0.018
C
0.09
D
0.08
0
Updated: 3 weeks ago
log272 - log218 + log28 = কত?
Created: 1 month ago
A
9
B
3
C
7
D
5
সমাধান:
= log272 - log218 + log28
= log2(72 × 8) - log218
= log2{(72 × 8)/18}
= log232
= log225
= 5log22
= 5 ; [ log22 = 1]
0
Updated: 1 month ago
