If -a-b-60-a-b-40 and -a-22 then find -b-

As | a⃗+b⃗ |^2+ |a⃗ b⃗ |^2=2( | a⃗ |^2+ |b⃗ |^2 ) ⇒ 60^2+40^2=2(22^2+ |b⃗ |^2 ) ⇒ |b⃗ |^2=2116 Hence |b⃗ |=46. ...

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Functions

If |a⃗+b⃗|=60...

Question

If $∣ ∣ \to a + \to b ∣ ∣ = 60, ∣ ∣ \to a - \to b ∣ ∣ = 40$ and $| \to a | = 22$ then find $∣ ∣ \to b ∣ ∣ .$

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| \to a + \to b | = 60, | \to a - \to b | = 40,

| \to b | = 46

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