1.

Find the number of term in the Ap 7,13,19....,205.

Answer» Give me the answer of ascent sap
What happen Khetramani Sahoo
A.P. 7 , 13 , 19 , ...... , 205a = 7d = 13 – 7 = 6An = 205As we know,\xa0An = a + (n–1) d205 = 7 + (n–1) 6=> 205 – 7 = (n–1) 6=> 198 = (n–1) 6=> n–1 = 198 / 6=> n–1 = 33=> n = 33 + 1=> n = 34Thus, total no. of terms is 34.
34
There are 34 terms
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Here a=7 and d=6Soan=a+(n-1)d=205=7+(n-1)6=205=7+6n-6=205=6n+1=6n=204=n=34


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