10th Class
Mathematics
Sample Paper
Sample Paper - 3 - Term - 1
question_answer
Let if possible be
rational
where
p, q are integers having no common factor and q is a +ve integer.
L.H.S. is a positive integer, But R.H.S. cannot be a
positive integer unless q = 1
[But An
integer, not possible)
we
arrive at a contradiction.
our
supposition is wrong. is
not rational i.e. is
irrational.
OR
This pan is similar to question in the Sample Paper is
irrational.
Answer:
Prove that is
irrational.
OR
Prove that is
irrational.