Math Problem Solver

The number of distinct real values of 𝜆 for which the vectors $x^{3}$𝑖̂+ 𝑘̂, 𝑖̂− $x^{3}$𝑗̂ and 𝑖̂+ (2𝜆 − 𝑠𝑖𝑛 𝜆)𝑗̂− 𝜆𝑘̂ are coplanar is