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Check whether - 150 is a term of ap 11,8,5,2,.... |
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Answer» N=40 a=11d=8-11= -3an=-150n=?an=a+(n-1)d-150=11+(n-1)(-3)-150/-3=11+n-150=11+n-150-11=n-139+1=nn=40 |
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