a)Unit 1Verify Rolle's theorem for f(x)=x⁴-1 in [-1, 1]
Verify Rolle's theorem for f(x)=x⁴-1 in [-1, 1]
b)Unit 1If u=log(x³+y³z³-3xyz), Show that (∂/∂x + ∂/∂y + ∂/∂z)² u = -9/(x+y+z)²
If u=log(x³+y³z³-3xyz), Show that (∂/∂x + ∂/∂y + ∂/∂z)² u = -9/(x+y+z)²