Home
Class 12
MATHS
The direction ratios of a normal to t...

The direction ratios of a normal to the plane through `(1,0,0)a n d(0,1,0)` , which makes and angle of `pi/4` with the plane `x+y=3,` are a. `<<1,sqrt(2),1 >>` b. `<<1,1,sqrt(2)>>` c. `<<1,1,2>>` d. `<< sqrt(2),1,1>>`

Promotional Banner

Similar Questions

Explore conceptually related problems

The angle between the lines whose direction-ratios are : lt 2, 1 , 2 gt and lt 4, 8, 1 gt is :

The angle between the lines whose direction- ratios are lt 2 , 1 , 2 gt and lt 4 , 8 , 1 gt is :

If the direction cosines of a line are (1/c,1/c,1/c) then a) 0 lt c lt 1 b) c gt 2 c) c= pm sqrt2 d) c= pm sqrt3

If (1)/(x-4) lt 0 then x gt 4 .

Three lines with direction ratios lt 1, 1,2 gtlt sqrt3-1 , -sqrt3-1,4 gt and lt - sqrt3-1, sqrt3-1, 4 gt form

If x gt 0 , show that, log (1+x) lt x

Figure 2.23 shows the graph of the polynomial f(x)=a x^2+b x+c for which (FIGURE) (a) a<<0,\ \ b>>0\ a n d\ c >0 (b) a<0, blt0 and cgt0 (c) a<0,\ b<0\ a n d\ c<0 (d) a >0,\ b >0\ a n d\ c<0

Figure 2.23 shows the graph of the polynomial f(x)=a x^2+b x+c for which (FIGURE) (a) a<<0, b>>0 a n d c >0 (b) a<0, blt0 and cgt0 (c) a<0, b<0 a n d c<0 (d) a >0, b >0 a n d c<0