If x1/3 + y1/3 – z1/3 = 0 then value of (x + y – z)3 + 27xyz is
x1/3 + y1/3 = z1/3 Now cubing both sides we get x + 3x1/3y1/3(x1/3 + y1/3) + y = z or, (x + y - z) = -3x1/3y1/3z1/3 Cubing again both sides, (x + y - z) = -27xyz. So answer is zero
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready.