Question

5. Prove that 1 (ii) = 1 (i) Vx"y. Vy 'z.17 x = 1. (xa-bla-c. (xi ) (+)*(4 :)=1 (xa+b)2(xb+c)(x+a)? (iv) (x"x"x") (iii) t"0-c) b(a-c) X = 1​

Answer 1

Answer:

this type of equation don't even exist