Simplify (√5 + √2)2.
Answers
Answered by
2
Answer:
7+√10
Using (a+b)²= a²+2ab+b²
=>(√5)²+2(√5)(√2)+(√2)²
=>5+2+2√10
=>7+2√10
Answered by
1
The answer is 7 + 2√10.
Step-by-step explanation:
(√5 + √2)²
(√5)²+2•√5•√2 + (√2)²
5 + 2√10 + 2
7 + 2√10
[The dot (•) in the line no.2 is the multiplication sign]
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