Let a- b- c- be three vectors such that -a-3- -b-4- -c-5 and each one of the perpendicular to the sum of the other two- find -a-b-c-

( a⃗ #160; ) =3, ( b⃗ #160; ) =4,k⃗ =5 a⃗·b⃗ ,b⃗·c⃗ and a⃗·c⃗ are perpendicular ∴a⃗·b⃗ =b⃗·c⃗ =c⃗·a⃗ =0 Then, | a⃗ +b⃗ +c⃗ # ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Applications of Dot Product

Let a⃗, b⃗,...

Question

Let $\to a, \to b, \to c$ be three vectors such that $| \to a | = 3, | \to b | = 4$ , $| \to c | = 5$ and each one of the perpendicular to the sum of the other two, find $| \to a + \to b + \to c |$ .

Open in App

Solution

Suggest Corrections

Similar questions

\to a

\to b

\to c

| \to a | = 3 ∣ ∣ \to b ∣ ∣ = 4 | \to c | = 5

∣ ∣ \to a + \to b + \to c ∣ ∣

\to a; \to b; \to c

| \to a | = 40; | \to b | = 20; | \to c | = 4

| \to a + \to b + \to c | +

\to a, \to b

\to c

| \to a | = \sqrt{3}, | \to b | = 5, \to b . \to c = 10

\to b

\to c

\frac{π}{3} .

\to a

\to b \times \to c

| \to a \times (\to b \times \to c) |

\to a, \to b, \to c

\to a \times \to b = \to c, \to b \times \to c = \to a, \to c \times \to a = \to b

| \to a | = | \to b | = | \to c |

\to A = \to b \times \to c, \to B = \to c \times \to a, \to C = \to a \times \to b

\to A \times (\to B \times \to C)

\to B \times (\to C \times \to A)

\to C \times (\to A \times \to B)

Join BYJU'S Learning Program