MCQ
જો $Z$ પર $a*b = a^2 + {b^2},$ તો $\left( {2*3} \right)*4 = ........$
- A$13$
- B$16$
- ✓$185$
- D$15$
$\left( {2*3} \right)*4 = \left( {{2^2} + {3^2}} \right)*4$
$ = \left( {4 + 9} \right)*4$
$ = 13*4 = {13^2} + {4^2} = 169 + 16$
$=185$
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