AP ICET 2019 Shift 1 Paper

Question : 75 of 200

Marks: +1, -0

If n,m ε ℝ, define

m * n = m + n - 2

and

m ⊕ n

{(mn)/{2}

then

(3 * 5) ⊕ (9 * 7)

= ?

Solution:

From the given information

(3 * 5)⊕(9 * 7) = (3 + 5-2)⊕(9 + 7 - 2)

= 6⊕14 = (6 × 14)/2

= 6 × 7 = 42

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