Let * be a binary operation on set of integers $I$, defined by $a{ }^* b=2 a+b-3$. Find the value of $3 * 4$
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Let * be a binary operation on set of integers $I$, defined by $a{ }^* b=2 a+b-3$. Find the value of $3 * 4$

Let * be a binary operation on set of integers $I$, defined by $a{ }^* b=2 a+b-3$. Find the value of $3 * 4$
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Let * be a binary operation on set of integers $I$, defined by $a{ }^* b=2 a+b-3$. Find the value of $3 * 4$
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SOLUTION : $\text { Given: } a{ }^* b=2 a+b-3(a, b \in 1) \\$

$\Rightarrow 3^* 4=2 \times 3+4-3=7$ 

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