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2 years ago

X-3 = 4 pls help And thanks :)

Mathematics

1 answer:

Naya [18.7K]2 years ago

6 0

X=7

add 3 to both sides.
hope this helps!

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Step-by-step explanation:

We need to find the first term and common ratio while we are given third term = 6 and seventh term = 96

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$\frac{96}{6}=\frac{a_1r^6}{a1r2}\\16=\frac{r^6}{r^2}\\16=r^{6-2}\\=> r^4=16\\Taking \ fourth \ root\\ r=2,-2,2i,-2i\\ \ We \ will \ consider \ only \ positive \ value \ of \ r \ i.e \ \textbf{ r= 2}$

So, Common Ratio r = 2

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