Let vec a , vec ba n d vec c be unit ve...

Let ` vec a , vec ba n d vec c` be unit vectors such that ` vec a+ vec b- vec c=0.` If the area of triangle formed by vectors ` vec a and vec b is A ,` then what is the value of `4A^2?`

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ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (Questions Asked In Previous 13 Years Exam)

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