Question

How many terms of the G.P. 1, 3, 9,..... will sum to 364

Answer 1

Answer:

6 is right answer

Step-by-step explanation:

we know Sñ is 364

a=1 and R = 3

according to formula

364 = 1(3^n-1)

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3-1

364×2 = 3^n-1

3^n = 729

3^6= 729

so the value of n is 6

which is no. of term