[" 48.The value of "c" so that for all real "x" ,the vectors "],[cxi-6j+3k,xi+2j+2cxk" make an obtuse angle are "],[qquad " [EAMCET "1999]]

The value of c so that all real 'x' the vectors cxbari - 6barj+3bark, xbari+2barj+2cxbark make an obtuse angle, are

The value of c so that for all real x, the vectors cxhatk + 3hatj, xhati + 2hatj + 2cx hatk make an obtuse angle are:

The value of c so that for all real x, the vectors cxhatk + 3hatj, xhati + 2hatj + 2cx hatk make an obtuse angle are:

Determine the value of c to that for all real x, the vectors cxhat(i)-6hat(j)+3hat(k) and xhat(i)+2hat(j)+2cxhat(k) make an obtuse angle with each other.

Determine the value of c so that for all real x , vectors c x hat i-6 hat j-3 hat k and x hat i+2 hat j+2c x hat k make an obtuse angle with each other.

Determine the value of c so that for all real x , vectors c x hat i-6 hat j-3 hat k and x hat i+2 hat j+2c x hat k make an obtuse angle with each other.

Determine the value of c so that for all real x , vectors c x hat i-6 hat j-3 hat k and x hat i+2 hat j+2c x hat k make an obtuse angle with each other.

Determine the value of c so that for all real x , vectors c x hat i-6 hat j-3 hat ka n dx hat i+2 hat j+2c x hat k make an obtuse angle with each other.

Determine the value of c so that for all real x vectors cxhat i-6hat j-3hat k and xhat i+2hat j+2cxhat k make an obtuse angle with each other.