The number of integral values of , for which the -coordinate of the point of intersection of the lines and is also integer is |
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a) |
2 |
b) |
0 |
c) |
4 |
d) |
1 |

The number of integral values of , for which the -coordinate of the point of intersection of the lines and is also integer is |
|||||||

a) |
2 |
b) |
0 |
c) |
4 |
d) |
1 |

1 Answer

127 votes

**(a)**

-coordinate of the point of intersection is

For to be an integer should be a divisor of 5, i.e., or . Hence,

(not integer)

(integer)

(not an integer)

(integer)

Hence, there are two integral values of

127 votes

127