9ii 8) () Given that,-(++3i) =1-2i, express the complex number 22-iare real constants.(ii) The vector equations of two lines L1 and L2 are given byL:r = 13i + 4j + 11k +2(3i - 8j - 6k)L2:r = 5i + 22j + 9k + u(7i - 17j – 5k)Find(a) The position vector of the point of intersection of L, and L2(b) The cosine of the acute angle between L, and L2-9) (i) The equations of two circles S, and S2 are given byS:x +y +2x+2y+1=0,Sr +y-4x +2y+1=0.Show that S and S, touch externally and obtain the equation of the cemmon tangent T at the point of contact(it) A father and a mother have 5 children.This family is to occupy a particular front-line bench in church on aspecial thanksgiving service.Given that this bench has a capacity of 7 persons, in how many ways can this family be seated on the bench,(a) If the parents must seat adjacent to each other(b) If the parents must seat adjacent to each other at one end of the bench.0) (i) Given thatf(x)=-x(x+1)(x+2)Express f(x) in partial fractions.27Hence show that f(x)= In

Name: 9ii 8) () Given that,-(++3i) =1-2i, express the complex number 22-iare
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: 9ii 8) () Given that,-(++3i) =1-2i, express the complex number 22-iare real constants.(ii) The vector equations of two lines L1 and L2 are given byL:r = 13i + 4j + 11k +2(3i - 8j - 6k)L2:r = 5i + 22j + 9k + u(7i - 17j – 5k)Find(a) The position vector