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If then the d.c’s of are
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By Expert Faculty of Sri Chaitanya
a
313,413,−1213
b
(6,6,−3)
c
−27,37,67
d
(2,2,−1)
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Correct option is A
P=(3,4,−12)a2+b2+c2=9+16+144=13D.c's of OP are 313,413,−1213
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