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You are making a mistake. The equation has to be:prindaroy wrote:are you sure it's simultaneously?
(x/10)(x/10) = 1/15, but you get x as sqrt(6.66667) and i'm pretty sure you can't pick part of a bulb
(x/10)[(x-1)/9] = 1/15
Then, just do your algebraic magic and X = 3 deffective bulbs.
Hi folks...I am not able Please chk the line in bold in question 1. It says which of the foll is equivalent to , let me rephrase: Which of the following choices will give you the same value as you get by * = 81, now  = 81 , hence the ans is D. Hope its clear now. Thank you VERY much for y...
Second option is the correct one.shaden wrote: 2^(2--2) = 2^(2+2) =2^4 = 16?
What you have to remember is that 1/2^-2 = 2^2
In order to clearly understand the answer to this problem, remember that EVERY student will study at least one language. Therefore, S- & F- has a 0 (zero) value in the matrix.
It took many several minutes to figure it out...