Question

If P+Q=P-Q and a is the angle between P and Q, then:
(A) a = 0°
(B) a = 90°
(C) P = 0
(D) Q = 0​

Answer 1

Answer:

If P+Q=P–Q and a is the angle between P and Q, then (A) a= 0⁰ ... here is your answer

Explanation:

don't forget to thank me also mark me as a brain list