{√7-1/√7+1}-{√7+1/√7-1}
=a+b√2
Answers
Answered by
0
Answer:
{√7-1/√7+1}-{√7+1/√7-1}={(√7--1)*(√7-1)-(√7+1)*(√7+1)}/(√7+1)*(√7-1)=(7+1-2*7*1)-(7+1+2*7*1)=(8-14)-(8+14)=8-14-8-14=0=a+b√2
a+b√2=0
Answered by
4
Step-by-step explanation:
Correct Question:—
To find out:—
- The value of a and b in expression.
Solution:—
Let's solve the problem
we have,
On comparing the value of ;
Answer:—
Used formulae:—
- (a-b)(a-b) = (a-b)² = a² + b² - 2ab
- (a+b)(a+b) = (a+b)² = a²+b²+2ab
- (a+b)(a-b) = a² - b²
- (a-b)(a+b) = a² - b²
Learn more;
# Brainly
1. Find the average of the score 100, 120, 80, 70, 110.
https://brainly.in/question/38673189
2. If 24.8 mm of rain fall was recorded in July, what was the average daily rainfall?
https://brainly.in/question/38919328
Similar questions
Computer Science,
5 months ago
Math,
5 months ago
Business Studies,
5 months ago
Math,
9 months ago
Math,
11 months ago
Physics,
11 months ago
Social Sciences,
11 months ago