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in Mathematics by (44.7k points)
सदिश `vecB = 3hatj + 4hatk ` को सदिशों `vec B_(1) (vecA = hati + hatj)` के समान्तर तथा
` vecB_(2) " ( जो" vecA ` पर लम्ब है ) के योगफल के रूप में लिखना है तो तब ` vecB_(1) = `
A. `(3)/(2) (hati + hatj)`
B. `(2)/(3) (hati + hatj)`
C. `(1)/(2) (hati + hatj)`
D. `(1)/(3) (hati + hatj)`

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