If |ĀXB = 13A.B then the value of |Ā +B | is
11/2
(1) (A? +B2 + AB)1/2 (2)
(3) A+B
(4) (A2+B2 13 + AB)12
Answers
Answered by
2
Answer:
4
Explanation:
[A][B]sintheta=A.B 13
A.B=ABsin theta
A+B=A²+B²+ 2ABCos theta
=
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