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? ^ ^^ ?^ ^^?^^^2.)If a=i+j-2k,ß=-i2j+3k, y=5i+0j+8k,then determine the scalars c and d???suchthat y-ca-dß is perpendicular toboth a and ß.

PRADEEP KUMAR , 14 Years ago
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anser 1 Answers
vikas askiitian expert

Last Activity: 14 Years ago

y-ca-dB = r =(5-c+d)i -(2d+c)k -2(8+2c-3d)k

since this vector is perpendicular to a & B

so r.B=0   &  r.a=0

now u will have 2 equations with two variables c & d

solve these equations and get your ans...

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