find the common difference and 7th term of AP 23,19,15,11
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Step-by-step explanation:
common different is 4
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First term,a1= 23
Second term,a2=19
Common Difference= a2 - a1
= 19-23
= -4
7th term of Ap= a+6d
= 23+ 6(-4)
= -1
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