Is [√2-√3][√2+√3] rational or irrational?
Answers
Answered by
2
By algebraic identities
(√2)² - (√3)²
2-3
-1
It is rational
(√2)² - (√3)²
2-3
-1
It is rational
Answered by
1
it is rational we know this by solving
[√2-√3][√2+√3]
=√2²-√3² [ by identity [a+b][a-b]=a²-b²]
2-3=-1
and -1 is rational
[√2-√3][√2+√3]
=√2²-√3² [ by identity [a+b][a-b]=a²-b²]
2-3=-1
and -1 is rational
Anonymous:
if helped mark as the best
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