Without expanding prove that each of the following determinant vanishes (1/1/1 a/ b/c abc/abc/abc)
Question
ABC is isocles triangle with AC=BC . OF AC2=2AC2 PROVE THAT IT IS A RIGHT TRIANGLE
A purse contain ₹550 in notes of denomination of ₹10 and ₹50. If the nummber of ₹50 notes is one less than that of ₹10 notes then find the number of ₹50 notes.
Find the projection of the vector 𝒊̂ + 𝟑𝒋̂ + 𝟕𝒌̂ on the vector 𝟐𝒊̂ − 𝟑𝒋̂ + 𝟔𝒌 ̂ .
Find the projection of the vector 𝒊̂ + 𝟑𝒋̂ + 𝟕𝒌̂ on the vector 𝟐𝒊̂ − 𝟑𝒋̂ + 𝟔𝒌 ̂ .
Find the projection of the vector 𝒊̂ + 𝟑𝒋̂ + 𝟕𝒌̂ on the vector 𝟐𝒊̂ − 𝟑𝒋̂ + 𝟔𝒌 ̂ .
Find the projection of the vector 𝒊̂ + 𝟑𝒋̂ + 𝟕𝒌̂ on the vector 𝟐𝒊̂ − 𝟑𝒋̂ + 𝟔𝒌 ̂ .
Find the projection of the vector 𝒊̂ + 𝟑𝒋̂ + 𝟕𝒌̂ on the vector 𝟐𝒊̂ − 𝟑𝒋̂ + 𝟔𝒌 ̂ .