If the sum of a certain number of terms of A.P., -8, -6, -4,..... Is 52, then the number of term is
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a=-8,d=2
TN=a+(n-1)d
52 =8+(n-1)2
52=8+2n-2
52-8+2=2n
46=2n
n=23
there are 23terms.
TN=a+(n-1)d
52 =8+(n-1)2
52=8+2n-2
52-8+2=2n
46=2n
n=23
there are 23terms.
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