Question

1 poin
Q5. Which of the following is
not a rational number when
n=5 *
O (a) 5n/n
O (b) (n-3)/(n+3)
O (c) (n-1)/(n+5)
O (d) (n+5)/(-5)​

Answer 1

(D) is not a ratio no. when n = 5

Because (n+5)/(-5)

⇒ (5+5)/(5-5)

⇒ 10/0

Thus, denominator is zero

Hence it is not rational number

.

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Thanks for asking

Answer 2

Answer:

Your answer is -- (b)(n-3)/(n+3)

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