Math, asked by Rishab666, 1 year ago

With Solutions


If 8 ∙ 2x = 5(y+8), then when y = -8, x = 

(a) -4,
(b) -3,
(c) 0,
(d) 4,
(e) 8

Answers

Answered by Sudhir1188
1
thanks

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correct ans isc
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Answered by choudhary21
0
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 <u>Solutions

8 ∙ 2x = 5(y+8).

or,8 ∙ 2x = 5(-8+8).

or,2x = 50.

2x = 1 [anything to the power 0 is 1 then, 50 = 1].

Taking log on both sides,

log 2x = log 1.

or, x log 2 = 0 [since log 1 = 0].

or, x = 0/log 2 [dividing log 2 on both sides].

Therefore, x = 0.

Answer . C


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