Math, asked by pbsm6821, 10 months ago

Prove that 2n + 6 into 9 n and is always divisible by 7 for an positive integer n

Answers

Answered by Dontaskmyname
1

Answer:

not possible

Step-by-step explanation:

2n + 6 into 9 n

=(2n+6)9n

=18n²+54n

which does not shows it is divisible to n

we can show it by substituting n=8

(2n+6)9n

=(2×8+6)(9×8)

= 1584 which is not divisible bt 7

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