Question

The value of 8 + ✓ 18 is *
O
W26
Ο 2{ V2+ V3)
Ο Ο Ο
52
Ο 6 V2​

Answer 1

Answer:

Let θ be the angle between aˆ&bˆ then

∣∣aˆ−bˆ∣∣=12+12−2(1)(1)cosθ−−−−−−−−−−−−−−−−−√=2–√⇒cosθ=0

∣∣aˆ+3–√bˆ∣∣=1+3+23–√cosθ−−−−−−−−−−−−−−√=1+3−−−−−√=2

Step-by-step explanation:

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