Skip to content
Philoid
Browse Saved
Back to chapter
Maths
24. Scalar or Dot Products
Home · Class 12 · Maths · Ref. Book · 24. Scalar or Dot Products
Prev
Next
Q41 of 138 Page 24

If and prove that

we know that

Now expanding LHS of given equation we get,




Taking LCM we get,



Using re-writing the above equation



Hence, proved.


More from this chapter

All 138 →
39

If and what can you conclude about the vector ?

40

If is perpendicular to both and then prove that it is perpendicular to both and

42

If are three non-coplanar vectors such that then show that is the null vector

43

If a vector is perpendicular to two non-collinear vectors and then is perpendicular to every vector in the plane of and .

Questions · 138
24. Scalar or Dot Products
1 1 1 2 2 2 2 3 4 5 5 5 5 5 6 7 7 8 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved