Question

The 7th term of an AP is four times the 2nd term and the 12th term exceeds thrice
the 4th term by 2. Find the progression."​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

a+6d=4 (a+d)

a+6d=4a+4d

2d=3a.............{1}

a+11d=3 {a+3d}+2

by simplifying

2d=2a+2

divide by 2

d=a+1.................{2}

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put 2 in 1

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2 {a+1}=3a

BY simplify

a=2

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now by substitution

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d=2+1

d=3

;. the ap is 2,5,8,11

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I HOPE IT HELP you