What is the solution to 4+5e^x+2=11
1 answer:




taking ln for the both sides
∴

∴ (x+2) ln e = ln (7/5) ⇒ ln e = 1
∴ x + 2 = ln (7/5)
∴ x = ln (7/5) - 2
Using calculator
∴ x ≈ -1.66
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