Physics, asked by radhich5, 5 months ago

IfA→.B→=∣∣∣A→ × B→∣∣∣A→.B→=|A→ × B→| , the angle betweenA→A→ andB→B→ is

Answers

Answered by anshu005512

1

Explanation:

∣

∣

∣

∣

a

+

b

∣

∣

∣

∣

=

∣

∣

∣

∣

a

−

b

∣

∣

∣

∣

⇒

∣

∣

∣

∣

a

+

b

∣

∣

∣

∣

2

=

∣

∣

∣

∣

a

−

b

∣

∣

∣

∣

2

⇒

∣

∣

∣

∣

a

∣

∣

∣

∣

2

+

∣

∣

∣

∣

b

∣

∣

∣

∣

2

+2

a

.

b

=

∣

∣

∣

∣

a

∣

∣

∣

∣

2

+

∣

∣

∣

∣

b

∣

∣

∣

∣

2

−2

a

.

b

⇒

a

.

b

=0

∴

a

⊥

b

∴θ=90

∘

Previous Question

Next Question

Similar questions

India Languages, 2 months ago

ಠ_ಠ Dúmb people stay away!ಠ_ಠ •Please answer •Quality answer needed •Don't spam •Help pls...

Math, 2 months ago

solve the problem guys...

Math, 2 months ago

solve this equation .

Chemistry, 5 months ago

how did a plant grow????

English, 5 months ago

"where do you live?" said the stranger change into indirect speech...

Chemistry, 11 months ago

.32 gram methan me molo ki sankhaya bataiye...

Biology, 11 months ago

What do you mean by lactation period of cow or buffalo?

Math, 11 months ago

C.p = 7 1600 S. p = P 2800...