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2 answers:
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Answer:
Proof for
Step-by-step explanation:
We are given that a, n, b, r and k are integers.
Also,
Since k divides a and b, we can write,
a = rk and b = sk, where r and s are integers.
Now, we have to prove that k divides r as well that is
Putting value of a and b in the equation, we get:
Since, (r-sn) is an integer, k divides r.
Answer:
Step-by-step explanation:
Equation of the line CD is given as
Slope of the line CD = -2
Slope of the line parallel to CD = -2
Equation of the line parallel to CD is given by
But this line passes through (4,5)
Substituting the values in the equation:
=>
So the overall equation of the parallel line is given by