Let , and are the vertices of . The equation of internal angle bisector through to…

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Let

A(1, 2, 3)

B(0, 0, 1)

and

C(-1, 1, 1)

are the vertices of

\triangle ABC

. The equation of internal angle bisector through

A

to side

BC

is (1)

r = \hat{i} + 2\hat{j} + 3\hat{k} + \mu(3\hat{i} + 2\hat{j} + 3\hat{k})

(2)

r = \hat{i} + 2\hat{j} + 3\hat{k} + \mu(3\hat{i} + 4\hat{j} + 3\hat{k})

(3)

r = \hat{i} + 2\hat{j} + 3\hat{k} + \mu(3\hat{i} + 3\hat{j} + 2\hat{k})

(4)

r = \hat{i} + 2\hat{j} + 3\hat{k} + \mu(3\hat{i} + 3\hat{j} + 4\hat{k})