The phrase "a rather different approach" is correct and usable in written English.
It can be used when discussing a method or strategy that significantly differs from what is typically used or expected.
Example: "In this study, we will explore a rather different approach to solving the problem, one that has not been considered before."
Alternatives: "a significantly different method" or "a notably different strategy."
The UK, of course, takes a rather different approach to selection its Eurovision song.
Seventeenth-century Baroque sculptors, especially Bernini, adopted a rather different approach.
In Westeros, pragmatism trumps honour, and I wouldn't be surprised if Tormund took a rather different approach.
The United Irish Club in Cramlington, Northumberland, is also vying for a promotion award, but represents a rather different approach.
Sky 1's Critical, the latest drama from Jed Mercurio, begins a 13-part run on Tuesday evening and takes a rather different approach.
While the general case (no assumption on the Ricci curvature) can now be proved with a rather different approach, it is interesting to ask to what extent this Ricci flow method can be extended to positive scalar curvature.
A second and rather different approach to modifying (CA) has been taken in recent work by Christopher Peacocke.
published recently by Penguin, took the rather different approach of examining the importance of the industry on local areas and on the families of those who work in the industry.
In passing, it should be noted that the consensus is not complete — see Soulé and Terborgh (1999) for the rather different approach of the "Wildlands Project" for North America.
Meanwhile, Mengesha and Phuc [15] established the gradient estimates in weighted Lorentz spaces for quasilinear p-Laplacian based on a rather different geometrical approach.
A rather different chemical approach via thiol coupling has been used by Rosenzweig and co-workers [33] in order to covalently attach CdSe/ZnS QDs to commercially available polymer-coated maghemite (γ-Fe2O3) beads.
