x - [x - {x - (x + 1)}] এর মান কত?
A
x + 1
B
- 1
C
1
D
x - 1
উত্তরের বিবরণ
প্রশ্ন: x - [x - {x - (x + 1)}] এর মান কত?
সমাধান:
x - [x - {x - (x + 1)}]
= x - [x - {x - x - 1}]
= x - [x - {- 1}]
= x - [x + 1]
=x - x - 1
= - 1
0
Updated: 2 months ago
(3x + 4y) = 23 এবং (4x - 3y) = 14 সরলরেখা দুটি কোন বিন্দুতে ছেদ করে?
Created: 1 week ago
A
(5, 2)
B
(3, 4)
C
(4, 3)
D
(2, 5)
0
Updated: 1 week ago
a6 - b6 এর একটি উৎপাদক কোনটি?
Created: 1 week ago
A
(a2 + b2)(a2 - b2)
B
(a2 - ab - b2)
C
(a2 + ab + b2)
D
(a - b)2
প্রশ্ন: a6 - b6 এর একটি উৎপাদক কোনটি?
সমাধান:
a6 - b6
= (a3)2 - (b3)2
= (a3 + b3)(a3 - b3)
= (a + b)(a2 - ab + b2)(a - b)(a2 + ab + b2)
= (a + b)(a - b)(a2 - ab + b2)(a2 + ab + b2)
0
Updated: 1 week ago
8, 11, 17, 29, 53, 101,....... what number should come next?
Created: 1 day ago
A
207
B
197
C
177
D
217
Question: 8, 11, 17, 29, 53, 101,....... what number should come next?
Solution:
Given series,
8, 11, 17, 29, 53, 101......
8
8 + 3 = 11
11 + 6 = 17
17 + 12 = 29
29 + 24 = 53
53 + 48 = 101
∴ next number = 101 + 96 = 197
0
Updated: 1 day ago
