The expression for which the value has to be found can be simplified asfollows:
\(\frac{4^{(a + b)}}{2^{(a - b)}}\) \(= \frac{2^{2(a + b)}}{2^{(a - b)}}\) \(= \frac{2^{2a + 2b)}}{2^{(a - b)}}\) =\(2^{2a + 2b - a + b} = 2^{a + 3b}\)
(1) a = 7
Just knowing the value of a,
we cannot find the value of the expression(Insufficient)
(2) a + 3b = 5
Since we have simplified the expression as\(2^{a + 3b}\)
knowing the value of\(a + 3b\) is enough
to find the value of the expression (Sufficient) (Option
...
\(\frac{4^{(a + b)}}{2^{(a - b)}}\) \(= \frac{2^{2(a + b)}}{2^{(a - b)}}\) \(= \frac{2^{2a + 2b)}}{2^{(a - b)}}\) =\(2^{2a + 2b - a + b} = 2^{a + 3b}\)
(1) a = 7
Just knowing the value of a,
we cannot find the value of the expression(Insufficient)
(2) a + 3b = 5
Since we have simplified the expression as\(2^{a + 3b}\)
knowing the value of\(a + 3b\) is enough
to find the value of the expression (Sufficient) (Option
...
