KCET2012MathematicsMathematical Reasoning
Which of the following is incorrect? If a b ( m ) and x is an integer, then
Options
- A(a+x) (b+x)( m)
- B(a-x) (b-x)( m)
- Ca x bx ( m )
- D(a+x) (b x)( m)
Correct answer
D. (a+x) (b x)( m)
Step-by-step solution
(i) a b( m) m ( a - b ) m ( a + x )-(b+ x ) a + x b + x ( m ) (ii) a b ( m ) m ( a - b ) m (a-x)-(b-x) a - x b - x ( m ) (iii) a b ( m ) m ( a - b ) x a x b x( m)