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If a=5. D=18. N=21. Find an

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If a=5. D=18. N=21. Find an

Posted by Pratham Arora 7 years, 3 months ago

CBSE > Class 10 > Mathematics

4 answers

Hansika Verma 7 years, 3 months ago

an=a+(n-1)d an=5+(21-1)18 an=5+20*18 an=5+360 an=365

Aaryan Dhamija 7 years, 3 months ago

use formula an=a+(n-1)d. given- a= 5 ,d=18,n=21 an=a+(n-1)d =5+(21-1)18 =5+(20)18 =5+360 =365

Sweta Verma 7 years, 3 months ago

365

Nikita Gupta 7 years, 3 months ago

Using formula an = a + ( n-1 ) d an = 5 + (21+1) 18 an = 5 + 22× 18 = 5 + 396 =401 Hope it helps....

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