Q. 84.8( 25 Votes )

# Find a matrix A such that 2A-3B+5C=O, where and .

Answer :

Given that 2A-3B+5C=O,

and

Since, 2A-3B+5C=O

⇒ 2A=3B-5C

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PREVIOUSExamine whether the operation * defined on R by a*b=ab+1 is (i) a binary or not.(ii) if a binary operation, is it associative or not?NEXTA die marked 1,2,3 in red and 4,5,6 in green is tossed. Let A be the event that “number is even” and B be the event that “number is marked red”. Find whether the events A and B are independent or not.

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