(-13)/(19)

sqrt((0.361)/(0.00169))=?(1.9)/(13) (b) (19)/(13)(c)(1.9)/(130) (d) (190)/(13)

The value of the series (1)/(2)+(7)/(4)+(13)/(8)+(19)/(16)+ ...... is _________

7m+(19)/(2)=13

Evaluate |{:(13,16,19),(14,17,20),(15,18,21):}| .

|{:(13,16,19),(14,17,20),(15,18,21):}|

Evaluate |{:(13,16,19),(14,17,20),(15,18,21):}| .

Evaluate |{:(13,16,19),(14,17,20),(15,18,21):}| .

From a point on x+2y-7=0 tangents are drawn to curve 13(x^(2)+y^(2)-2x+1)=(2x+3y-1)^(2) are perpendicular then the point is (a)(19,13) (b) (-19,13) (c) (19,-13) (d)(-19,-13)