The number of integral points 
(i.e., 
and 
both are integers) which lie in the first quadrant but not on the coordinate axes and also on the straight line 
is equal to
a)
133
b)
135
c)
138
d)
140
The number of integral points (i.e., and both are integers) which lie in the first quadrant but not on the coordinate axes and also on the straight line is equal to
a)
133
b)
135
c)
138
d)
140
Question ID - 51585 | SaraNextGen Top Answer
The number of integral points (i.e., and both are integers) which lie in the first quadrant but not on the coordinate axes and also on the straight line is equal to
a)
133
b)
135
c)
138
d)
140
|
The number of integral points |
|||||||
|
a) |
133 |
b) |
135 |
c) |
138 |
d) |
140 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
We have,
Clearly, 3 must divide 
and so 
, for some 
Thus,
127 votes
Answer Link
127