Which of the following are rational number or irrational number
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Answered by
1
Answer:
(root11+root 3)(root11-root 3)
=(root 11)²-(root 3)²
=11-3
=8
therefore it is rational
Answered by
0
Answer:
put the thing in the ( a)² - ( b)² formula
(a+b) (a-b) = a² - b²
then you get
(root 11 + root 3) (root 11 - root 3)
= (root 11)² - (root 3)²
= 11 - 3
= 8
and 8 a rational number
I hope it helps :)
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