Physics, asked by itsmepriyanshu9676, 1 year ago

Prove that: (vector A+ 2 vector B)•(2vector A-3 vector B) = 2A². + ABcos theta -6B².

Answers

Answered by falguni0

0

answer after solving these question is AB=A2 + 2A =A-3

Previous Question

Next Question

Similar questions

Math, 7 months ago

answer this question...

Social Sciences, 7 months ago

Note on decline on US currency...

Physics, 7 months ago

State two factors on which the potential energy of a body at a certain height above the ground depends.

Physics, 1 year ago

A particle initially at rest moves with an acceleration 5m/ssquare for 5 sec. find distance travelled in 4s,5sand 5th seconds...

English, 1 year ago

Which verb or verb phrase is in the correct tense to complete the sentence?

Science, 1 year ago

smell of perfume reaches us by the process of...

Math, 1 year ago

A door of length 2.5 m and breadth 1.5 m is fitted in a wall. The length and breadth of the wall are 6 m and 4.5 m, respectively. Find the cost of white- washing the wall at the rate of 30 per sq. m.

Math, 1 year ago

by how much does 1 exceed 2x -3y-4 Its answer is 5-2x+3y but how can any1 pls show me how this answer came ( by colummn method )...