√5
2√3
√20
√50
Correct answer is A
L(x1y1−1−6) m L(x2y2−3−5)
D = √(x2−x1)2+(y2−y1)2
D = √(−3−(−1)2+(−5−(−6)2
D = √(−3+1)2+(−5+6)2
D = √(−2)2+12
D = √4+1
D = √5
Solve the inequality: 3(x + 1) ≤ 5(x + 2) + 15...
O is the centre of the circle PQRS. PR and QS intersect at T POR is a diameter, ∠PQT = 42o and ∠...
In the figure, PQ is a parallel to ST and QRS = 40o. Find the value of x...
The solution of the quadratic inequality (x3 + x - 12) ≥ 0 is...
Find the number of sides of a regular polygon whose interior angle is twice the exterior angle. ...