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All points lying inside the triangle formed by the points (1, 3), (5, 0) and  satisfy

a)

b)

c)

d)



Question ID - 53800 | SaraNextGen Top Answer

All points lying inside the triangle formed by the points (1, 3), (5, 0) and  satisfy

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a,c) -

(a,c)

Substituting the coordinates of the points (1, 3) (5, 0) and  in , we obtain the values 9, 15 and 1 which are all +ve. Therefore, all the points lying inside the triangle formed by given points satisfy . Substituting the co-ordinates of the given points in , we find the values  and  which are all . So, (b) is not correct

Again substituting the given points in  we get,  which are all ve. It follows that all points lying inside the  formed by given point satisfy . So (c) is the correct answer

Finally substituting the coordinates of the given point in , we get  and 4 which are all +ve. So (d) is not correct

127 votes


127