or vertices of the figure
30. Which one of the following inequalities is
always true for positive real numbers x, y?
(a) xy + y
(b) (x + y) = (x + y)
(c) x + y< x2 + y2
(d) 1 + x + y< (1 + x + y)2
(d) 1 + x + y< (1+ x + y)2
Since 1 + x + y>1 and hence the square of
(1 + x + y) is always greater than 1+ x + y.
Which of the
wing
are
Answer:
or vertices of the figure
30. Which one of the following inequalities is
always true for positive real numbers x, y?
(a) xy + y
(b) (x + y) = (x + y)
(c) x + y< x2 + y2
(d) 1 + x + y< (1 + x + y)2
(d) 1 + x + y< (1+ x + y)2
Since 1 + x + y>1 and hence the square of
(1 + x + y) is always greater than 1+ x + y.
Which of the
wing
are