Express hcf of 468 ,222 as 468x+222y find x,y
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Answer:
By Euclid's division algorithm,
468 = 222 x 2 + 24
222 = 24 x 9 + 6
24 = 6 x 4 + 0
HCF = 6
Expressing it in the form 468x + 222y = HCF
6 = 222 - 24 x 9 (Using 2nd last step)
6 = 222 x 1 - 24 x 9
6 = 222 x 1 - (468 - 222 x 2) x 9 (using 1st step)
6 = 222 x 1 + 222 x 18 - 468 x 9
6 = 222 x 19 - 468 x -9 (222 is taken common and 18 and 1 are added)
6 = 222 x (19) - 468 x (-9)
Therefore,
x = 19
y = -9
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