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Find the 13th term of the A.P. -5, -10, -15,-20,....? |
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Answer» Answer: -65 Step-by-step EXPLANATION: Here, a=-5 d=t2-t1=-10-(-5)=-5 n=13 We know that, tn = a+(n-1)d Thus, T13=-5+(13-1)-5 = -5+12×(-5) = -5+(-60) t13= -65 |
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