If * is defined on the set \mathbb{R} of all real numbers b y: a * b=\sqrt{a^2+b^2}, find the identity element, if it exists in \mathbb{R} with respect to *

CBSE Class 12 Math 2019 All India Set 1 Solved Paper

Question : 5 of 29

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*

is defined on the set

ℝ

of all real numbers

b y: a * b={√{a^2+b^2}}

, find the identity element, if it exists in

ℝ

with respect to

*

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