Let x be a real number and \ov { {r}_{1}}= {x}(\ov { {i}}+2 \ov { {j}}-3 \ov { {k}}), \ov { {r}_{2}}=(2 {x}+1) \overline{{i}}+(2 {x}+3) \overline{{j}}+( {x}+1) \overline{{k}}, \ov {r_{3}}=(3 x+5) \overline{i}+(x+5) \overline{j}+(x+2) \overline{k} then \overline{{r}_{1}}, \overline{{r}_{2}} and \overline{{r}_{3}} are

Correct Answer is : Non coplanar for all real x ≠ 0

Coplanar for more than one value of x

Non coplanar for all real x ≠ 0

AP and TS EAMCET Engineering Model Paper 20

Question : 31 of 160

Marks: +1, -0

Let x be a real number and r1=x(i+2j−3k), r2=(2x+1)i+(2x+3)j+(x+1)k, r3=(3x+5)i+(x+5)j+(x+2)k then r1,r2 and r3 are

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