Question

solve fastttttt please

Class 11

Topic : Vectors

No Spamming ⛔

Answer 1

let vector be ai + bj

as magnitude is equal with B

so √a.a + b.b = √3.3 +4.4
a.a + b.b = 5


NOW TAKE DOT WITH A

2A + 5B = √ 25 + 4 . 5
2A + 5 b= 5 √29

A= (5√29 - 5b)/2

substitute in a.a + b.b= 5 to get value of b and then A