If the binary operation* is defined as a*b=ab+5, then find the value of (a*b)*c, for a=2, b=5 abd c=-2.
If the binary operation* is defined as a*b=ab+5, then find the value of (a*b)*c, for a=2, b=5 abd c=-2.
shaleen upadhyay , 13 Years ago
Grade 12
Magical Mathematics[Interesting Approach]> Olympiad...
1 AnswersAshwin Muralidharan IIT Madras
Last Activity: 13 Years ago
Hi Shaleen,
(2*5) = 10+5 = 15
Now 15*-2 = -30+5 = -25.
-25 is the answer of this binary operation.
Hope that helps.
Best Regards,
Ashwin (IIT MadraS).
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