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AP EAMCET · Maths · Vector Algebra

If \(\alpha, \beta, \gamma\) are distinct real numbers and \(\alpha+\beta+\gamma \neq 0\), then the points with position vectors \(\alpha \hat{\mathbf{i}}+\beta \hat{\mathbf{j}}+\gamma \hat{\mathbf{k}}, \beta \hat{\mathbf{i}}+\gamma \hat{\mathbf{j}}+\alpha \hat{\mathbf{k}}\) and \(\gamma \hat{\mathbf{i}}+\alpha \hat{\mathbf{j}}+\beta \hat{\mathbf{k}}\) are

  1. A collinear
  2. B vertices of a scalene triangle
  3. C vertices of an isosceles triangle
  4. D vertices of an equilateral triangle
Verified Solution

Answer & Solution

Correct Answer

(D) vertices of an equilateral triangle

Step-by-step Solution

Detailed explanation

Let position vectors are…