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Find 25th term of the A.P …

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Find 25th term of the A.P , -5 , -5/2 , 0 ,5/2.

Posted by Nonu Kansal 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Dhyanu Kumar 6 years, 11 months ago

n=25 a=-5 d=a2-a1 d=-5/2-(-5) d=-5/2+5=-5+10/2=5/2 an=a+(n-1)d a25=-5+(25-1)5/2 =-5+12*5 =-5+60 a25=55

Nonu Kansal 6 years, 11 months ago

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