Loading [MathJax]/jax/output/HTML-CSS/jax.js
Home / Aptitude Tests / Further Mathematics / QRS is a triangle su...
QRS is a triangle such that \(\overrightarrow{QR} = (3i + 2j...

QRS is a triangle such that QR=(3i+2j) and SR=(5i+3j), find SQ.

A.

8i + j

B.

2i - j

C.

-2i - 3j

D.

-8i - j

Correct answer is A

SQ=SR+RQ

RQ=QR=(3i+2j)=3i2j

SQ=(5i+3j)3i2j=8i+j