1 IF P,Q AND R ARE THREE COLLINEAR SUCH THAT PQ=A AND QR=B FIND THE VECTOR PR.
2. GIVEN A CONDITION THAT THREE VECTOR A,B AND C FORM THE THREE SIDES OF A TRIANGLE.WHAT ARE THE OTHER POSSIBILITIES?
3.ABCDE IS A PENTAGON, PROVE THAT
A.(AB+BC+CD+DE+EA)VECTOR=0
B.(AB+AE+BC+DC+ED+AC)VECTOR+3 VECTOR AC

Asked by Ishita Roy | 24th Jul, 2014, 07:14: PM

Expert Answer:

Answered by Sheetal Jalan | 26th Jul, 2014, 01:57: PM