Find the third member of geometric progression if a1 + a2 = 36 and a1 + a3 = 90. Calculate its quotient.
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
Tips to related online calculators
Following knowledge from mathematics are needed to solve this word math problem:
Next similar math problems:
- Six terms
Find the first six terms of the sequence a1 = -3, an = 2 * an-1
- GP - three members
The second and third of a geometric progression are 24 and 12(c+1) respectively, given that the sum of the first three terms of progression is 76 determine value of c
- Geometric sequence 5
About members of geometric sequence we know: ? ? Calculate a1 (first member) and q (common ratio or q-coefficient)
- GP members
The geometric sequence has 10 members. The last two members are 2 and -1. Which member is -1/16?
- Geometric progression 2
There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.
Determine the coefficient of this sequence: 7.2; 2.4; 0.8
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
- Evaluation of expressions
If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
X+y=5, find xy (find the product of x and y if x+y = 5)
- Equation 23
Find value of unknown x in equation: x+3/x+1=5 (problem finding x)
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the discriminant of the equation: ?
- Square root 2
If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
- Expressions 3
If k(x+6)= 4x2 + 20, what is k(10)=?
- Theorem prove
We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144