how to solve (5-√2)(5+√2)
Answers
Answered by
1
Answer:
=25 + 5 root 2 -5 root 2 - 2
=25 - 2
=23
what is mistakes all is correct
Answered by
1
Answer:
=(5-√2)(5+√2)
=5²-√2²
=25-2
=23
Use formula (a²-b²)=(a+b)(a-b)
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