JEE MAIN - Mathematics Hindi (2021 - 20th July Evening Shift - No. 15)

समीकरण

$${\log _{(x + 1)}}(2{x^2} + 7x + 5) + {\log _{(2x + 5)}}{(x + 1)^2} - 4 = 0$$, x > 0, के समाधानों की संख्या है :
Answer
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