Math, asked by nitukvbkp, 12 hours ago

In go a1=20 a4=540 then find r

Answers

Answered by karnanjanaki
0

Answer:

a

1

=20

a=20

\begin{gathered}a_4=540\\\\a\:{r}^3=540\\\end{gathered}

a

4

=540

ar

3

=540

\begin{gathered}{r}^3=\frac{540}{a}\\\\{r}^3=\frac{540}{20}\\\\{r}^3=27\\\\r=3\end{gathered}

r

3

=

a

540

r

3

=

20

540

r

3

=27

r=3

Step-by-step explanation:hope it is help ful for u

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