(a) Suppose that E₁ E₁= = (b) Suppose that E2 E₂ = (c) Suppose that E3 E3 = = 5 2 25 52 25 52 11 25 20 8 25 and E₁ 25 (22] 52 and E¹ = and E¹ = 19 37 BHEL 2 5 Then: = . Then: Then:

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