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If the system of equations has non trivial solution then K=
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By Expert Faculty of Sri Chaitanya
a
15
b
115
c
−15
d
5
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Correct option is B
Since 1−11k−13123=0 ⇒1[−3−6]+1[3k−3]+1[2k+1]=0 ⇒−9+3k−3+2k+1=0⇒5k−11=0⇒k=115
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