(ग) सिद्ध कीजिए कि बिन्दु `(1,5), (2,3)` ओर `(-2,11)` सरेखीय हैं।

Find an equation, whose roots are (1)/(2) and (1)/(3) / ऐसा समीकरण ज्ञात कीजिए जिसके मूल (1)/(2) तथा (1)/(3) हैं -

सिद्ध कीजिए कि |vecA xx vecB|^(2) + |vecA * vecB|^(2) = (AB)^(2).

Determine if the points (1,5), (2,3) and (-2, -11) are collinear.

Determine if the points (1,5),(2,3) and (-2,-11) are collinear.

Determine if the points (1,5),(2,3) and (-2,-11) are collinear.

determine if the points (1,5),(2,3) and (-2,-11) are collinear.

सिद्ध कीजिए कि 2tan^(-1)sqrt((b)/(a))=cos^(-1)((a-b)/(a+b))

यदि triangleABC में (If इन triangleABC), a = (1)/(sqrt(6)-sqrt(2)), b = (1)/(sqrt(6)+sqrt(2)), C = 60^(@) तो सिद्ध कीजिए कि (Prove that) c = (sqrt(4))/(2) .

Determine if the points quad (1,5),(2,3) and (-2,-11) are collinear.