Home » Aptitude » Surds and Indices

1 + 1 + 1 =? 1 + x(b - a) + x(c - a) 1 + x(a - b) + x(c - b) 1 + x(b - c) + x(a - c)

Correct Answer: 1

Explanation:

Given Exp. =
1  +  1  +  1
1 + xb + xc
xa xa
1 + xa + xc
xb xb
1 + xb + xa
xc xc



   = xa + xb + xc
(xa + xb + xc) (xa + xb + xc) (xa + xb + xc)



   = (xa + xb + xc)
(xa + xb + xc)


   = 1.


← Previous Question Next Question→

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion