Answer:
Option A is correct
Step-by-step explanation:
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we are given

Firstly, we will factor numerators and denominators

we can see that
n^2 -6 is factor on both numerator and denominator
so, it will get cancelled
and n^2 -6 can not be equal to 0
so, one of restriction is


we can simplify it

we know that denominator can not be zero


so, option-B.......Answer
No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
X=11
All you have to do is add 5 to both sides and then divide by 5 on both sides
Answer:
The standard number is greater than one. Negative means it's going to be .xxx