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Question Number 127568 by Ar Brandon last updated on 30/Dec/20

Commented by bramlexs22 last updated on 30/Dec/20

R_(max) = (√(∣a^→ ∣^2 +∣b^→ ∣^2 +2∣a^→ ∣∣b^→ ∣)) R_(min) = (√(∣a^→ ∣^2 +∣b^→ ∣^2 −2∣a^→ ∣∣b^→ ∣)) ⇔ (9/1) = ((∣a^→ ∣^2 +∣b^→ ∣^2 +2∣a^→ ∣∣b^→ ∣)/(∣a^→ ∣^2 +∣b^→ ∣^2 −2∣a^→ ∣∣b^→ ∣)) then ∣a^→ ∣ = 2∣b^→ ∣

Rmax=∣a→∣2+∣b→∣2+2∣a→∣∣b→∣Rmin=∣a→∣2+∣b→∣2−2∣a→∣∣b→∣⇔91=∣a→∣2+∣b→∣2+2∣a→∣∣b→∣∣a→∣2+∣b→∣2−2∣a→∣∣b→∣then∣a→∣=2∣b→∣

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