The number of integral values of k, for which the equation 7 x + 5 x = 2k + 1 has a solution, is

MHT CET 2024 Mathematics question

Not in JEE Main syllabus

The number of integral values of k, for which the equation has a solution, is

Answer: (B)

The expression takes every value in . Here , so the equation has a solution iff , i.e. . This gives

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-094929