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Question

Find the domain of definition of the following function:
y=x2+4x5.log(x+1)

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Solution

(x2+4x5)0(x+5)(x1)0x(,5][1,)

log(x+1)x+1>0x>1

Taking intersection
x[1,)

925291_886416_ans_c639b00a8f994d519227d814c2a6c797.png

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