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which term of the A.P. :121,117,113,.... is its first negative term |
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Answer» a=121d= - 4an=0an=a+(n-1)d0=121+(n-1)(-4)- 121 =-4n+44n=125n=31.25n = 32a32=121-31x4 = - 3 32th term is first negative term 121 |
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