(12x-1)(6x-1)(4x-1)(4x-1)(3x-1)=5

(12x-1)(6x-1)(4x-1)(4x-1)(3x-1)=5

find x.

4 Answers

1
ARKA(REEK) ·

HINT:

(12x-1)(6x-1)(4x-1)(4x-1)(3x-1)=1*1*1*1*5
or, =1*1*1*5*1
or, =1*1*5*1*1
or, =1*5*1*1*1
or, =5*1*1*1*1

Now, equalise each term in bracket with 1 and 5 and solve.

(12x-1)=5 and (12x-1)=1 and so on ..........

62
Lokesh Verma ·

arka I did not get your hint.!!

it is not said that x is an integer!!!

62
Lokesh Verma ·

its a pity that i knwo the answer but cant figure out a decent method except the expansion of the whole thing!!! which is in itself a disgusting method (the process of expansion) and so am not posting it :P [2]

1
ARKA(REEK) ·

Yes sir ... ur right.

My mistake ..... I considered the case of integers.

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