Question

1. P = x²(y+z). + y²(z+x) + z²(x+y)
Q = xy(x+y) + yz(y+z) + zx(z+x)
R = x(y²+z²) + y(z²+x²) + z(x²+y²)
proved that P = Q = R​

Answer 1

Answer:

solve the multiplication in P,Q,R and get the answer