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Two sides of a triangle are given by `hati+hatj+hatk` and `-hati+2htj+3hatk`, then area of triangle is

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Two sides of a triangle are given by `hati+hatj+hatk` and `-hati+2htj+3hatk`, then area of triangle is
A. `sqrt(26)`
B. `sqrt(26)//2`
C. `sqrt(46)`
D. 26
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1 Answer

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Correct Answer - B
Area of triangle `=(1)/(2)|vecAxxvecB|`
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