26< any number larger than 26 (whole numbers and fractions/decimals)
Answer:
They are in A. P so the sum will be 2380
Solve for c :
x⁴ + cx² + 100 = 0
cx² = -(x⁴ + 100)
c = - (x⁴ + 100)/x²
If x = 0, the right side is undefined and c would have no solution.