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ID#5126 BCS General Math Preli (46)

$1/2 *2 ^(x – 3) + 1 = 5$ হলে x এর মান কত?
ক) 3
খ) 4
গ) 5
ঘ) 6

ব্যাখ্যা

$1/2 \times 2^{(x - 3)} + 1 = 5$
$1/2 \times 2^{(x - 3)} = 4$
$2^{(x - 3)} = 8$
$2^{(x - 3)} = 2^3$
$x - 3 = 3$
$x = 6$
Resource Details
Exam BCS
Subject General Math
Chapter 14
Year 46

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