Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
AlgebraExponents and Powers
If $(7^a)(7^b) = (7^c)(7^d)$, what is $d$ in terms of $a$, $b$, and $c$?
- A.$a + b - c$Correct answer
- B.$a + b + c$
- C.$a - b + c$
- D.$c - a - b$
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Practice these MCQs in the appQuick fact: The value of $d$ is $a + b - c$.