Solve the equation: 1 + 5 + 9 + 13 + \ldots + x = 1326.... | VSA 2m | Maths | SuperPadhai

Arithmetic Progressions > Question

VSA2 marksYear: 2020MediumCBSE Class 10

arithmetic-progressionssumequation

Question

Solve the equation:

1 + 5 + 9 + 13 + \dots + x = 1326

.

Solution

1

\frac{n}{2} (1 + x) = 1326

... (i) and

x = 1 + (n - 1) \times 4

... (ii)

+1 mark

2

Solving (i) and (ii),

x = 101

+1 mark

Practice this question interactively with step-by-step AI feedback

Sign up for SuperPadhai