Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is
some integer.
Answers
Answer:
here is your answer
Step-by-step explanation:
yessss any odd integer is of the form 6q+1, 6q+3, 6q+9
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Answer:
Let n be any positive odd integer.
When n is divided by 6, let quotient be q and remainder be r, such that,
n=6q+r...... (1)
where, 0 < r <6.
So, r=0 or r=1 or r=2 or r=3 or r=4 or r=5.
Putting r=0 in (1)
n=6q+0
=6q
Here, n=6q, which is clearly even. So, no odd natural number can be of the form 6q.
Putting r=1 in (1)
n=6q+1
Here, n=6q+1, which is clearly odd. So, an odd natural number can be of the form 6q+1
Putting r=2 in (1)
n=6q+2
Here, n=6q+2, which is clearly even. So, no odd natural number can be of the form 6q+2.
Putting r=3 in (1)
n=6q+3
Here, n=6q+3, which is clearly odd. So, an odd natural number can be of the form 6q+3.
Putting r=4 in (1)
n=6q+4
Here, n=6q+4, which is clearly even. So, no odd natural number can be of the form 6q+4.
Putting r=5 in (1)
n=6q+5
Here, n=6q+5, which is clearly odd. So, an odd natural number can be of the form 6q+5.
*Hence, verified that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.*