TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 32 of 160

Marks: +1, -0

If a=2i+j−k,b=i−j+3k,x=(‌

a⋅b

|b|2

)b,y=(‌

a⋅b

|a|2

)a and θ is angle between a and b, then x2+y2=

17cos2θ
(√6+√11)cos2θ
17‌cos‌2‌θ
17sin2θ

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