Question
$MF#%\text{if a*b = a + b }-\sqrt{ab}\text{, then find the value of }{16*9}$MF#%
$MF#%\text{if a*b = a + b }-\sqrt{ab}\text{, then find the value of }{16*9}$MF#%
Answer: Option B
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Answer : Option B
Explanation :
$MF#%16*9 = 16 + 9 - \sqrt{16 \times 9} \\\\= 25 - \sqrt{16 \times 9} \\\\= 25 - (\sqrt{16} \times \sqrt{9} )
\\\\= 25 - ( 4 \times 3) \\\\= 25-12 = 13$MF#%
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