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Question

Domain of function y=log0.6(x1x+5)1(x249) is?

A
(1,7)(7,)
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B
R(1,7)
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C
R{7}
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D
(7,7)
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Solution

The correct option is A (1,7)(7,)
Solution - Given that, y=log0.6(x1x+5)1(x249)x2490(x7)(x+7)0x7,7 Now, log0.6(x1x+5)0

x1x+5(0,6)0x1x+51x1x+510x1x5x+50+6x+50x+5>0 Also, for log to be defined, x1x+5>0 x(1,7)(7,) Hence, (A) is the correct option.

1992770_1347585_ans_2c19286ec40b42d98914846de48bb921.png

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