# Mathematics

In an arithmetic progression the 22nd term is four times the 5th term while the 12th term is 12th more than 8th term.find the first term and the common difference

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1. a+21d = 4(a+4d)
since a12 = a8+12, 4d=12
Now you can finish it off.

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oobleck
2. If the first term of an AP is 4 and common difference is -2, what is its 2nd term If the first term of an AP is 4 and common difference is -2, what is its 2nd term

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