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3-1.Vectors
normal
સદીશ $\mathop a\limits^ \to $ અને $\mathop b\limits^ \to $ માટે $|\mathop a\limits^ \to \,\, + \;\,\mathop b\limits^ \to |\,\,\, = \,\,\,|\mathop a\limits^ \to \,\, - \;\,\mathop b\limits^ \to |\,$ હોય તો $\mathop a\limits^ \to $ અને $\mathop b\limits^ \to $ વચ્ચેનો ખૂણો .... હોય.
A
$\frac{\pi }{3}$
B
$ \pi $
C
$\frac{\pi }{2}$
D
શૂન્ય
Solution
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Standard 11
Physics