TS ICET 20 Aug 2021 Shift 1 Paper

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Question : 74 of 200

Marks: +1, -0

For

a, b \∈{R}

, define

a * b=a+b+a b .

Then

5 *(-5 * 6)=

$-169$
$-168$
$-170$
$-171$

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