Question

C1=2, c n+1= -3cn срочно найти c4

Answer 1

C2= -3*2= -6
c3= -3*(-6)=18
c4= -3*18= -54

Answer 2

To find the value of c4, we need to determine the pattern or relationship between the given values of c1, c2, and c3.

From the given information, we have: c1 = 2 c(n+1) = -3cn

To find c4, we can start by substituting the value of n as 3 into the second equation: c(3+1) = -3c(3)

Simplifying this equation, we get: c4 = -3c3

Now, we need to find the value of c3. To do this, we can substitute the value of n as 2 into the second equation: c(2+1) = -3c(2)

Simplifying: c3 = -3c2

Next, we need to find the value of c2. Substituting n = 1 into the second equation: c(1+1) = -3c(1)

Simplifying: c2 = -3c1

Now, we can substitute the values we have found back into the equation for c4: c4 = -3c3 = -3(-3c2) = 9c2

Since we know the value of c1 is 2, we can substitute that into the equation for c2: c2 = -3c1 = -3(2) = -6

Finally, substituting the value of c2 into the equation for c4: c4 = 9c2 = 9(-6) = -54

Therefore, the value of c4 is -54.