Is R_1 an equivalence relation? I. R_1 is a relation on real numbers, R, defined by (a, b) \in R_1 \Leftrightarrow 2+a b>0 for all a, b \in \mathbb{R} II. R_1 is a symmetric relation.

AP ICET 25 July 2022 Shift 1 Solved Paper

Question : 20 of 200

Marks: +1, -0

R_1

an equivalence relation?
I.

\;\; R_1

is a relation on real numbers,

R

, defined by

(a, b) ∈ R_1 ⇔ 2+a b>0

for all

a, b ∈ ℝ

II.

R_1

is a symmetric relation.

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