Question

a=3i^+4j^+5k^ then |a|=?​

Answer 1

Answer:

Explanation:

A = 3i + 4j +5k

|A| = √9 +16 +25

= √50

= 5√2

Answer 2

Explanation:

✏Given here

✏a = 3i + 4j +5k

[ We know ]

| â | = √(x²+y²+z²)

✏Here ,

x = 3, y = 4 , z = 5

So,

↪|â| = √(3²+4²+5²)

= √(9+16+25)

= √(50)

= 5√2

⏩Hopes its helps u

↪Marks brainliest.