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Simora [160]
2 years ago
5

6x^{2} + 19 + 9x^{2} - 8 With Explanation

Mathematics
1 answer:
NemiM [27]2 years ago
7 0

Answer:

I'mnot sure if you're asking for its roots..but here you go :)

Step-by-step explanation:

= 6 {x}^{2} + 19 + 9 {x}^{2}   - 8 \\  = (6 {x}^{2}  + 9 {x}^{2} ) + (19 - 8) \\  = 15 {x}^{2}  + 8 \\ 15 {x}^{2}  =  - 8 \\  {x}^{2}  =   - \frac{8}{15} \\  \sqrt{ {x}^{2} }  =  \sqrt{  - \frac{8}{15} }   \\ x =  \sqrt{ \frac{8}{15}}  \times  \sqrt{ - 1}  \\ x =  \sqrt{ \frac{8}{15} }  \times i \\  x1 = 0.7302i \\ x2 =  - 0.7302i

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2 years ago
Please help need answers ASAP
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Answer:

0.527

Step-by-step explanation:

From the question,

The sequence is Geometry Progression (G.P)

Tₙ = arⁿ⁻¹.......................... Equation 1

Where n = number of term, a = first term, r = common ratio

Given: n = 7, a = 6, r = 2/3

Substitute these values into equation 1

T₇ = 6(2/3)⁷⁻¹

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