If x^2-yz/a = y^2-zx/b = z^2-xy/c , then (x + y + z) (a + b + c) is ​

Question

If \(\frac{x^2 - yz}a= \frac{y^2-zx}{b} = \frac{z^2 - xy}c\), then (x + y + z) (a + b + c) is

a. ax + by + cz

b. a + b + c

c. \(\frac{x+y+z}3\)

d. none of these

Answer 1

Correct option is a. ax + by + cz