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Kazeer [188]
3 years ago
6

If ab = 5 and a² + b² = 25, then (a + b)² =​

Mathematics
2 answers:
matrenka [14]3 years ago
5 0
Answer:
35
Explanation:
Recall that (a+b)^2=a^2+2ab+b^2.
We can rearrange it in a way that would make it easier to solve our problem:
(a^2+b^2)+2ab
Now, we just plug in 25 for a^2+b^2, and plug in 5 for ab:
25+2*5
=25+10
=35
prisoha [69]3 years ago
3 0

Answer:

100

Step-by-step explanation:

because 5+5=10

the 10^2=10*10=100

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