what is the answer of this 4+√15× 4-√15
Answers
Answered by
1
Answer:
1
Step-by-step explanation:
4+√15×4-√15=(4)^2-(√15)^2
=16-15
=1
Answered by
0
Answer:
1
Step-by-step explanation:
(4+√15)(4-√15)
(a+b)(a-b)=a^2 - b^2
4^2 - (√15)^2
16-15
1
Similar questions
Chemistry,
5 months ago
Business Studies,
5 months ago
English,
5 months ago
Social Sciences,
10 months ago
Computer Science,
10 months ago
Biology,
1 year ago