Find the value of the scalar for which the vector a = 3i + 2j is perpendicular to b = 4i - 3j
OA=(4^x ) OB=_7 ^5 and AB=5 units
(((√3)),(1) ) and ((1),((√3)) ) vector find θ=?
a^→ =i^ +3j^ +4k^ b^→ =2i^ −3j^ +4k^ c^→ =5i^ −2j^ +4k^ given that p^→ ×b^→ =b^→ ×c^→ and p^→ .b^→ =0 then the value of p^→ (i^ −j^ +k^ )is
Find the determinant: determinant (((1−x),2,3,…,n),(1,(2−x),3,…,n),(1,2,(3−x),…,n),(⋮,⋮,⋮,⋱,⋮),(1,2,3,…,(n−x)))
Find the determinant: determinant ((5,3,0,0,…,0,0),(2,5,3,0,…,0,0),(0,2,5,3,…,0,0),(⋮,⋮,⋮,⋮,⋱,⋮,⋮),(0,0,0,0,…,5,3),(0,0,0,0,…,2,5))
two weels, those have the same materials, with radii:r_1 =4 and r_2 =14 are starting to move on a surface,with the same velocity,from:x=0 to x=20. the surface has no friction. wich one arrives faster? any informations needed?
in a triangle nmmm5gfkl
Calcul I=∫^( (π/2)) _( 0) ((ln(cost))/(1+sin^2 t))dt
Calculer ∫^( +∞) _( (1/α)) e^(−αt^2 +2t) dt
If r_1 ^(→) =(sinθ,cosθ,θ), r_2 ^(→) =(cosθ,−sinθ,−3) and r_3 ^(→) =(2,3,−1), find (d/dθ){r_1 ^(→) ×(r_2 ^(→) ×r_3 ^(→) )} at θ=0
A ball is thrown vertically upwards with a velocity of 10m/s from a point 75 m above the ground. Calculate the velocity with which it hits the ground.
An object is pulled up a smooth plane inclined at angle 45° to the horizontal. If the plane is 25 m long and the object comes to rest at the top, correct to two decimal places the: (i) initial speed of the object (ii) time taken to reach the top.
A(-1, 2), B(3, 5) and C(4, 8) are the vertices of triangle ABC. Forces whose magnitudes are 5N and 3√10N act along (AB) ⃗ and (CB) ⃗ respectively. Find the direction of the resultant of the forces.