Correct Option (c) x = 1, y = -1, z = 1
Explanation:
Let k = PxSycz ...(i)
Dimensions of k = [M0L0T0]
Applying the principle of homogeneity of dimensions, we get
x + y = 0 ...(i)
-x + z = 0 ...(ii)
-2x - 3y - z = 0 ...(iv)
Solving (ii), (iii) and (iv), we get
x = 1, y = -1, z = 1