(chatquestion)...Let ā, be two noncollinear vectors. If OA=(x+4y) ā +(2x+y+1)5, OB =(y-2x+2) a+ (2x-3y-1)E and 30A= 20B then (x.y) = 1) (1,2) 2) (1,–2) 3(2,-1) 4) (-2,-1) 194 ELITE SERIES for Sri Chaitanya Jr. ICON St

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