Operators ∎, Δ and → are defined by : a∎b = \frac{a−b}{a + b};a\:∆ \:b = \frac{a + b}{a−b};a\to b = ab. find the value of (66 ∎ 6) → (66 Δ 6)

GATE Electronics and Communications (EC) 2015 Shift 1 Solved Paper

Question : 4 of 65

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Operators ∎, Δ and → are defined by :

a∎b = \;{a−b}/{a\;+\;b};a\:∆ \:b = \;{a\;+\;b}/{a−b};a→ b = ab.

find the value of (66 ∎ 6) → (66 Δ 6)

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