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

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

Grade:

1 Answers

vikas askiitian expert
509 Points
11 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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