If 2a + 3b = 17 and 2a + 2 - 3b +1 = 5, then – McqOptions

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1.	If 2^a + 3^b = 17 and 2^{a + 2} - 3^{b +1} = 5, then
A.	a = 2, b = 3
B.	a = -2, b = 3
C.	a = 2, b = -3
D.	a = 3, b = 2
Answer» E.

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