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`(137xx137+133xx133+18221)/(137xx137xx137-133xx133xx133)` के बराबर है।

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`(137xx137+133xx133+18221)/(137xx137xx137-133xx133xx133)` के बराबर है।
A. `4`
B. `270`
C. `1/4`
D. `1/270`
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1 Answer

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Best answer
Correct Answer - C
`a=137, b=133`
`implies(axxa+bxxb+ab)/(axxaxxa-bxxbxxb)`
`implies(a^(2)+b^(2)+ab)/(a^(3)-b^(3))`
`implies (a^(2)+b^(2)+ab)/((a-b)(a^(2)+b^(2)+ab))implies1/(a-b)`
`implies 1/(137-133)implies1/4`
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